Writing Beginner

How to Write a Topic Sentence (30+ Tips & Examples)

Writing the perfect topic sentence took me years to master.

After endless drafts, feedback sessions, and seeing what resonates with readers, I’ve distilled the ultimate guide to craft attention-grabbing, informative, and concise topic sentences.

Let’s dive into the essential tips for how to write a topic sentence.

What Is a Topic Sentence and Why Is It Important?

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A topic sentence introduces the main idea, usually appearing at the start of a paragraph.

It sets the tone for the entire paragraph by giving a glimpse of what’s coming. Think of it as a headline for each paragraph that keeps your writing clear and focused.

A strong topic sentence is important because:

  • Grabs Attention: Captures the reader’s interest, encouraging them to keep reading.
  • Guides Structure: Helps organize thoughts in a logical way.
  • Provides Focus: Prevents rambling by clarifying the main point.

Types of Topic Sentences

Different types of topic sentences can fit various writing styles and purposes.

Understanding these types will help you select the best approach for your specific content.

  • Declarative Statements: These are straightforward sentences that make a clear assertion. They introduce the main idea without any fluff or ambiguity. Example: “Water conservation is critical in regions prone to drought.”
  • Interrogative Sentences: These topic sentences pose a question, encouraging readers to think critically and seek answers within the paragraph. Example: “How can sustainable practices help reduce waste in the fashion industry?”
  • Complex Sentences: By combining independent and dependent clauses, these topic sentences present a nuanced main idea that prepares readers for a more detailed discussion. Example: “Although renewable energy sources are gaining popularity, fossil fuels still dominate the global energy sector.”
  • Bridge Sentences: These link the preceding paragraph to the next, providing continuity and coherence in the overall structure. Example: “While electric vehicles offer a greener alternative to traditional cars, the infrastructure for widespread adoption remains lacking.”
  • Contrasting Statements: These topic sentences highlight opposing viewpoints or circumstances, building intrigue and depth into the following paragraph. Example: “Despite the technological advancements in healthcare, access remains limited for underserved communities.”

My 30 Best Tips for Writing a Topic Sentence

Now let’s get into the main section of this guide — where you will learn all the best tips for writing a compelling topic sentence on any subject.

Tip #1: State the Main Idea Clearly

Make sure your topic sentence introduces the primary idea succinctly.

Avoid vague language or cluttered wording. Your reader should immediately understand the topic.

  • Clear: “Recycling programs reduce landfill waste by promoting reusable packaging.”
  • Unclear: “Programs for recycling can be a good thing because it’s important.”

Tip #2: Keep It Simple and Direct

A topic sentence should be straightforward. Avoid complex structures and over-complicated phrasing.

Shorter sentences work best.

  • Simple: “Exercise improves mental health through endorphin production.”
  • Complicated: “One can expect to experience benefits in their mental state with exercise due to the generation of endorphins.”

Tip #3: Link to the Previous Paragraph

Create a smooth flow by connecting ideas to the paragraph before.

Transition words like “similarly,” “however,” or “in contrast” help show relationships.

  • Linked: “Similarly, the agricultural industry is also impacted by climate change.”
  • Disjointed: “Farmers are struggling with erratic weather patterns.”

Tip #4: Avoid Announcing Your Intentions

Steer clear of sentences like “In this paragraph, I will discuss…” They sound amateurish and reduce reader engagement.

  • Natural: “Effective communication skills are crucial for career advancement.”
  • Announcing: “This paragraph will explain why communication skills are important.”

Tip #5: Vary Sentence Structure

Using the same structure repeatedly can bore readers.

Mix up your approach by experimenting with different forms like questions, facts, and lists.

  • Varied: “How does cultural background influence consumer behavior?”
  • Repetitive: “Consumer behavior is influenced by cultural background.”

Tip #6: Be Specific, Not General

A vague topic sentence leaves the reader confused. Instead, provide specific information to establish clarity and interest.

  • Specific: “Remote work improves productivity by reducing commute times.”
  • General: “Remote work is beneficial for many reasons.”

Tip #7: Reflect Your Argument’s Tone

Match your topic sentence with the tone of your argument. For serious discussions, avoid informal language.

  • Formal: “The socioeconomic impact of urbanization requires comprehensive policy solutions.”
  • Informal: “The effects of city living need some fixing.”

Tip #8: Include a Controlling Idea

The controlling idea limits the scope of the paragraph, ensuring the reader knows what to expect next.

  • With Control: “Social media marketing increases brand visibility through targeted campaigns.”
  • Without Control: “Social media is important.”

Tip #9: Use Active Voice

Active voice is more engaging and dynamic. It also provides clarity.

  • Active: “New policies will reshape healthcare accessibility.”
  • Passive: “Healthcare accessibility will be reshaped by new policies.”

Tip #10: Make It Unique

Avoid using overused phrases or predictable statements. Offer a fresh perspective to captivate your reader.

  • Unique: “Biodegradable packaging is transforming the fast-food industry.”
  • Cliché: “The fast-food industry is changing with new trends.”

Tip #11: Create Curiosity

Tease your reader by leaving questions unanswered. Encourage them to keep reading for more.

  • Curious: “What are the unexpected benefits of rising inflation rates?”
  • Blunt: “Rising inflation rates have some positive effects.”

Tip #12: Support Your Thesis

Your topic sentence should align with your overall thesis. It will give your argument more coherence.

  • Aligned: “Reducing plastic waste aligns with our sustainability goals.”
  • Unaligned: “Plastic recycling is controversial.”

Tip #13: Focus on One Point

Don’t overwhelm readers with multiple ideas in one topic sentence. Stick to one clear concept.

  • One Point: “Artificial intelligence streamlines data analysis.”
  • Too Broad: “Artificial intelligence changes marketing, finance, and data analysis.”

Tip #14: Use Key Terms From the Prompt (if applicable)

If you are responding to an assignment or specific topic prompt, make sure your topic sentence directly incorporates relevant keywords.

  • Key Terms Included: “Global warming solutions must involve international cooperation.”
  • Lacks Terms: “Solutions for the environment require cooperation.”

Tip #15: Offer Context

Provide some context in the topic sentence to frame the discussion, giving the reader essential background information.

With Context: “As urbanization accelerates, city infrastructure struggles to keep up.” Without Context: “City infrastructure is lagging.”

Tip #16: Incorporate Comparisons

Comparisons can clarify complex concepts and give readers a familiar reference.

  • Comparison: “Just as the printing press revolutionized communication, the internet has transformed modern commerce.”
  • No Comparison: “The internet has transformed modern commerce.”

Tip #17: Present Solutions

Offering a solution at the start engages readers who are seeking actionable advice.

  • Solution: “Installing solar panels reduces energy bills while cutting carbon emissions.”
  • Problem-Only: “High energy bills are a widespread issue.”

Tip #18: Address Common Misconceptions

Challenge preconceived notions to spark curiosity and highlight the importance of your argument.

  • Challenging: “Despite common belief, vitamin supplements aren’t always beneficial.”
  • Reinforcing: “Vitamin supplements have benefits.”

Tip #19: Use Emotional Appeals

Appeal to the reader’s emotions to deepen their connection to your writing.

  • Emotional: “Volunteering at shelters uplifts communities and transforms lives.”
  • Neutral: “Volunteering at shelters is helpful.”

Tip #20: Avoid Redundancy

Ensure your topic sentence adds new value. Avoid repeating points covered elsewhere.

  • New Value: “Stronger copyright laws are crucial for protecting intellectual property.”
  • Redundant: “Intellectual property needs stronger protection.”

Tip #21: Ask a Thought-Provoking Question

Pose a question that makes the reader stop and think. This engages them immediately.

  • Provocative: “How will automation reshape the global workforce?”
  • Plain: “Automation is changing the global workforce.”

Tip #22: Include an Action Verb

Action verbs add momentum and urgency to your topic sentence. They make your point more dynamic.

  • Active Verb: “Investing in renewable energy fosters long-term economic growth.”
  • Lacks Action: “Renewable energy investments are beneficial.”

Tip #23: Paint a Picture

Use descriptive language to help readers visualize your point.

  • Descriptive: “Increased droughts have turned fertile farmlands into arid deserts.”
  • Bland: “Droughts are affecting farmlands.”

Tip #24: Use Parallel Structure

Parallel structure involves repeating similar grammatical forms.

It makes your writing rhythmic and easy to follow.

  • Parallel: “Tackling pollution requires reducing emissions, cleaning waterways, and limiting waste.”
  • Non-Parallel: “Tackling pollution requires emission reductions, waterways cleaning, and limiting waste.”

Tip #25: Emphasize Urgency

Highlight the time-sensitive nature of your argument to create urgency.

  • Urgent: “Immediate action is needed to prevent further deforestation.”
  • Calm: “Deforestation is a concern.”

Tip #26: Highlight Contrasts

Contrasting different ideas helps to emphasize your point and draw clear distinctions.

  • Contrast: “While technology creates new jobs, it also disrupts traditional industries.”
  • No Contrast: “Technology affects the job market.”

Tip #27: Lead with a Statistic

Start with a compelling number to catch the reader’s attention and back up your argument.

  • Statistic: “80% of small businesses struggle to comply with data privacy regulations.”
  • General Statement: “Small businesses struggle with data privacy.”

Tip #28: Build on Existing Knowledge

Assume the reader has some background knowledge and expand on it.

  • Builds On Knowledge: “With the rise of remote work, companies are rethinking their office spaces.”
  • Basic Information: “Remote work is changing office spaces.”

Tip #29: Start with an Anecdote

A brief anecdote adds a human touch, creating an immediate connection with the reader.

  • Anecdotal: “After years of burnout, Sarah switched to a part-time schedule to improve her work-life balance.”
  • Abstract: “Work-life balance is important.”

Tip #30: Use an Engaging Metaphor

A metaphor can illuminate your argument in an unexpected way.

  • Metaphor: “Effective teamwork is the glue that holds successful organizations together.”
  • Literal: “Effective teamwork is important for organizations.”

Check out this video about how to write a topic sentence:

Final Thoughts: How to Write a Topic Sentence

Writing compelling topic sentences takes practice, but mastering this skill can transform your writing.

I hope this guides empowers you in your topic-sentence writing journey.

Beyond the topic sentence, there are other techniques and terms you really need to know to improve your writing.

Read This Next:

  • 30 Narrative Writing Examples to Elevate Your Writing
  • What Is a Summary In Writing? (Explained + 40 Examples)
  • What Is A Warrant In Writing? (Explained + 20 Examples)
  • What Is A Universal Statement In Writing? (Explained)
  • How to Describe Tone in Writing: 300 Examples You Can Use

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how many topic sentences does an essay have

How to Write a Strong Topic Sentence + Examples

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What’s Covered:

  • What Is a Topic Sentence?
  • 5 Steps to Writing a Good Topic Sentence

Elements of a Good Topic Sentence

Common pitfalls to avoid.

  • Where To Get Your Essay Edited For Free

Crafting the perfect essay takes time and dedication. There are so many elements you have to worry about, such as tone, purpose, and correct spelling and grammar. Writing a strong topic sentences is another critical part in writing a cohesive essay. 

Without a strong topic sentence, you risk losing your reader and perhaps part of your grade. If it’s a college admissions essay, then you need it to be as strong as possible to back up your application. Learn about what steps you should take to write a strong topic sentence.

What Is a Topic Sentence? 

People often confuse a topic sentence with a thesis statement. A thesis statement is typically at the end of your opening paragraph, that dictates the main argument you’ll be making in your essay. 

Throughout your essay, you’ll have multiple topic sentences, as each paragraph should start off with one. This beginning sentence is used to direct the topic of the paragraph and outline the flow of the following sentences. It’s used to help guide your reader and to continue to keep them hooked on your overall essay. Without topic sentences, your essay will be unorganized, lack transitions, and sound very choppy. To write a good topic sentence, there are several steps to take.

Writing a Good Topic Sentence: 5 Steps

Step 1: decide what you’re going to write about..

When you see the essay prompt, you’ll have some time to think through what you want to say and why. You have to decide if it’s a persuasive essay, informative, narrative, or descriptive. Determine your purpose for writing the essay after reading through the prompt. Whether it’s an assignment for school or if it’s to get into college, you need to make sure you have that purpose clearly outlined. 

Step 2: Create a thesis statement.

One of the first things you need to do is create a thesis statement. This is typically a sentence with three points that you’ll back up throughout your essay. 

For example: The Office became a cultural phenomenon because it spurred the careers of many of today’s successful movie stars, it talked about situations that most American workers can relate to, and even 15 years later, offers funny, relevant content that helps to break down prejudices. 

You then use that thesis statement to create an essay around the points you want to make. 

Step 3: Make your essay outline.

Once you have the points you want to make within your thesis statement hammered out, make an outline for your essay. This is where you’ll start to create your topic sentence for each paragraph. You want to clearly state the main idea of that paragraph in the very first sentence. From there, you back up that main idea with facts and reputable sources. Make sure your topic sentence is clear, but does not just announce your topic. 

For example, do not write something like: “In this paragraph, I will discuss why it’s bad that poachers are killing giraffes.”

Instead, write something that clearly states your idea with a reasonable opinion and that gives direction to the paragraph: “Giraffes are a key part of the African ecosystem, so it’s important to enforce regulations against the poachers who are killing them for their body parts.” 

You’d then follow that up with reasons why giraffes are a key part of the African ecosystem and how poachers are destroying their population.

Step 4: Begin writing your essay.

Once you have your thesis statement and you’ve created an outline with supporting paragraphs and their topic sentences, you can begin writing your essay. It’s important to make that outline before just jumping in–a disorganized essay can spell disaster for you as you continue to write, and could result in a poor grade. Many times, teachers will even require you to turn in your outline as part of your overall essay grade. 

Step 5: Proofread and check your resources.

After you’ve written the essay, go back through it with a fine tooth comb. Read through each topic sentence and the paragraphs that follow to ensure that you’ve written clear, solid topic sentences throughout and that the paragraphs with them make sense. During the proofreading phase, you also need to recheck the sources you’re using. Make sure each source is reputable. In other words, do not use sites like Wikipedia where anyone can go in and edit an article to add misinformation. Use sites that:

  • Are actual reputable news sources, such as the New York Times , CNN, CBS News
  • Have domain names that end in .edu or .gov
  • Come from an encyclopedia, such as Encyclopedia Britannica

Using sites that are not reputable could jeopardize the validity of your argument. 

how many topic sentences does an essay have

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Now that you know the steps to set yourself up for success when writing a topic sentence, there are certain elements that go into a quality first sentence. Always make sure that your topic sentence is the first sentence of a paragraph. You don’t want to make your reader hunt for the point you’re trying to make. Check out some key elements of a good topic sentence:

Make sure your topic sentence isn’t too vague.

You need a topic sentence that has some specifics to it. It also needs to hook in your reader in some way with an opinion. A vague sentence makes it harder to write a paragraph that can clearly backs up your thoughts. For example:

DON’T: “In Pride and Prejudice, Mr. Bingley seems like a nice guy.”

DO: “When Mr. Bingley is first introduced, he comes across as a kind person because he speaks to everyone and doesn’t immediately pass judgment.”

Choose a reasonable opinion.

Your topic sentence should clearly outline whatever point you’re trying to make in the paragraph, but you want to pick a reasonable opinion that you can easily reinforce with facts and statistics. Here’s an example of what you should and should not do:

DON’T: “It’s obvious that Mr. Bingley was a total loser with no backbone.”

DO: “Mr. Bingley could have shown more confidence in his choices and stood up to Mr. Darcy when he found himself in love with Jane Bennet.”

You can then back that up with facts, saying that he was a wealthy Englishman and thus one of the key players in society at the time, which should have given him more confidence. If he’d been more confident, perhaps he would not have left and devastated Jane.

Use your topic sentence as a transition.

Along with telling the reader the point of your next paragraph, your topic sentence should also serve as a transition from the previous paragraph. Without a transition, the essay can feel like it’s choppy and disjointed. For example:

DON’T: “Mr. Bingley is a good man and here’s why.”

DO: “Although Mr. Bingley did break Jane’s heart by leaving, he ended up redeeming himself by returning to Netherfield Hall.”

Keep your topic sentence short.

A long, drawn-out topic sentence can risk losing your reader. Many times, it’s hard to determine the point of a sentence when it goes on for too long. You want a clear, concise sentence that draws in the reader but also leaves some room for you to expand on it in the following paragraph.

DON’T: “Throughout the novel of Pride and Prejudice, Mr. Bingley was often quite different from Mr. Darcy as he would treat all people in a friendly manner, considering them all his friends and acquaintances, even agreeing to throw a ball after Elizabeth’s sisters rudely demanded he do so and was gracious to Mr. and Mrs. Bennet as well despite their manners.”

DO: “Overall, Mr. Bingley served as a foil to Mr. Darcy throughout the story by treating everyone around him equally with dignity and grace.”

Writing an essay can be overwhelming at times, but so long as you avoid some of these common pitfalls, it can be easier to get it done on time. 

Don’t wait until the last minute.

If your teacher assigns you an essay or tells you that you have an essay test coming up, don’t wait until the day before to do anything about it. You have to plan or study and you need to give yourself time to do that. If you know it takes you a while to write something, then start planning it as soon as you get the assignment.

Don’t forget to write an outline.

Along with planning, make sure you have that outline written up and planned out well. It will serve as your guideline for writing the essay. Without it, you’ll face the risk of a disorganized essay that does not clearly illustrate your point.

Ask for help if you need it.

This may be the most important pitfall to avoid. If you get in over your head while writing, don’t be afraid to ask for help. Ask a friend to review the essay or ask your teacher for guidance. 

Where to Get Your Essay Edited for Free

Once you’ve finished your essay, you may want additional input. There are tools out there to help, but CollegeVine’s free peer essay review tool can provide you with actionable feedback from students just like you. CollegeVine’s tool has helped many students and may be able to help you, too! Asking for peer feedback can help to refine your essay and it never hurts to have an extra set of eyes read through what you’ve written. Check out the free tool today!

how many topic sentences does an essay have

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how many topic sentences does an essay have

Make Your Essay Structure Rock-Solid with These Tips

Lindsay Kramer

So you’ve been assigned an essay. Or, probably more realistically, two, three, or four essays  . . . and they’re all due the same week. 

We’ve all been there: overwhelmed, staring down that blank screen, and not sure which essay to start with or how to get it started. 

In high school and college, it’s not enough to just write strong essays. One of the most important skills to develop is writing strong essays efficiently . And the foundation of that skill is knowing how to structure an essay. With a template for the basic essay structure in hand, you can focus on what really matters when you’re writing essays: your arguments and the evidence you’re using to support them. Take a look at the basic essay structure below and see how the parts of an essay work together to present a coherent, well-reasoned position, no matter what topic you’re writing about. 

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Basic essay structure: the 3 main parts of an essay

Almost every single essay that’s ever been written follows the same basic structure: 

Introduction

Body paragraphs.

This structure has stood the test of time for one simple reason: It works. It clearly presents the writer’s position, supports that position with relevant examples, and neatly ties their supporting arguments together in a way that makes their position evident. 

It all starts here. This is where you introduce the topic you’re discussing in your essay and briefly summarize the points you’ll make in the paragraphs that follow. 

This is also where you state your thesis. Your thesis is the most important part of your essay because it’s the point you’re making . It needs to take a clear stance and shouldn’t include hedging language that undermines that stance like “seems to” or “possibly could.”

Here are a few examples of thesis statements:

  • In the final scene of The Awakening , Edna Pontellier’s decision demonstrates that it was impossible for her to have the lifestyle she truly wanted in the society in which she lived.
  • Due to its volatility and lack of government regulation, Bitcoin cannot become a viable currency for everyday purchases.
  • While the habitability of Mars has not yet been proven, evidence suggests that it was once possible due to bacteria samples found on the Red Planet.

An easy way to write your thesis statement is to think of it as a summary of your essay. Your thesis makes and supports your essay’s point in one concise sentence. 

When you proofread your finished essay, make sure your thesis is clearly stated in your introduction paragraph. If it’s not clear, go back and write a definitive thesis statement. 

>>Read More: How to Write a Persuasive Essay

Your essay’s body paragraphs are where you support your thesis statement with facts and evidence. Each body paragraph should focus on one supporting argument for your thesis by discussing related data, content, or events. 

If you’re not sure whether you should include a specific point or detail in your body paragraphs, refer back to your thesis statement. If the detail supports your thesis, it should be in your essay. If it doesn’t, leave it out. Your thesis statement is the core of your basic essay structure, so everything else in the essay needs to relate to it in some way. 

In your essay’s conclusion paragraph , you summarize the points you made and bring your argument to its logical conclusion. Because your reader is now familiar with your thesis, the summary in your conclusion paragraph can be more direct and conclusive than the one in your intro paragraph.

>>Read More: 7 Writing Tips from Professors to Help you Crush your First Essays

How many paragraphs are in an essay?

There’s no hard-and-fast requirement for college essays. In high school, you were probably taught to write five-paragraph essays. This is a solid essay structure to work with, but in college, you generally have more flexibility with assignment lengths and formats. 

Now, consider five the minimum—not the standard—number of paragraphs you should include in your essays. 

Essay structure examples

There are a few different ways to present information in an essay. Often, your assignment will tell you what kind of essay to write, such as a chronological, compare and contrast, or problems-methods-solution essay. If you’re not sure which is best for your assignment, ask your instructor. 

Chronological

A chronological essay guides the reader through a series of events. This essay structure is ideal if you’re writing about:

  • A current or historical event
  • A book or article you read for class
  • A process or procedure

With this kind of essay, you first introduce your topic and summarize the series of events in your introduction paragraph. Then, each body paragraph takes the reader through a key stage in that series, which might be a decisive battle in history, a pivotal scene in a novel, or a critical stage in a judicial process. In your conclusion, you present the end result of the series you discussed, underscoring your thesis with this result. 

Compare and contrast

A compare-and-contrast essay has a structure that discusses multiple subjects, like several novels, concepts, or essays you’ve been assigned to read.

There are a few different ways to structure a compare-and-contrast essay. The most obvious is to spend one paragraph discussing the similarities between the topics you’re covering (comparing), then one paragraph detailing their differences (contrasting), followed by a paragraph that explores whether they’re more alike or more different from each other. 

Another method is to only compare, where each of your body paragraphs discusses a similarity between the topics at hand. Or you can go the only-contrast route, where your body paragraphs explore the differences. Whichever you decide on, make sure each paragraph is focused on one topic sentence . Every new comparison or contrast should occupy its own paragraph.

Problems-methods-solution

As its name implies, this kind of essay structure presents the writer’s position in three segments:

  • Ways to resolve the problem 
  • The solution achieved by using these strategies to resolve the problem 

This kind of essay works great if you’re discussing methods for resolving a problem, like knowing how to distinguish between credible and non-credible sources when you’re doing research for assignments. It can also work when you’re tasked with explaining why certain solutions haven’t worked to fix the problems they were created for. 

With this kind of essay, begin by introducing the problem at hand. In the subsequent body paragraphs, cover possible methods for resolving the problem, discussing how each is suited to fixing the problem, and potential challenges that can arise with each. You can certainly state which you think is the best choice—that could even be your thesis statement. In your conclusion paragraph, summarize the problem again and the desired resolution, endorsing your method of choice (if you have one). 

In this kind of essay, you can also include a call to action in your final paragraph. A call to action is a direct order for the reader to take a specific action, like “call your congressperson today and tell them to vote no” or “visit grammarly.com today to add Grammarly browser extension for free.”

>>Read More: How to Write Better Essays: 5 Concepts you Must Master

With the basic essay structure down, you can get to writing

For a lot of students, getting started is the hardest part of writing an essay. Knowing how to structure an essay can get you past this seemingly insurmountable first step because it gives you a clear skeleton upon which to flesh out your thoughts. With that step conquered, you’re on your way to crushing your assignment.

how many topic sentences does an essay have

how many topic sentences does an essay have

What is a Topic Sentence? (Definition, Examples, How to Use)

Topic sentence

What is a topic sentence ? A topic sentence , the first sentence of a paragraph, presents the main concept discussed in the paragraph. It must contain sufficient information to support numerous examples and subtopics without being too broad to obscure the essay’s intended purpose. The remaining sentences in the paragraph will act as supporting statements, providing evidence and examples for the main idea.

Topic sentence

Importance of topic sentences

In essays or articles , where subjects can shift from one paragraph to another, a topic phrase is particularly crucial. The topic sentences, superficially, may seem to serve the purpose of only acting like the initial or introductory sentence of a paragraph. But it has numerous other purposes that make it an important part of essays.

  • Topic sentences link paragraphs together to improve the sentence flow and make reading easier. When topic sentences are not used, switching between paragraphs can feel abrupt and jarring to the reader. Authors can maintain the rhythm of their writing using topic sentences and facilitate smooth transitions.
  • Topic sentences show the reader a sample of what to expect from the paragraph. The readers can determine from the topic sentence whether the paragraph will comprise a narrative, a list, anecdotal evidence, statistical data, persuasive opinions, or some other form of evidence.
  • If two conflicting viewpoints are presented in a single paragraph, authors can use more than one topic sentence to inform the readers about the changes in the main concept. For example, paragraphs that “compare and contrast” require more than one topic sentence. In these kinds of paragraphs, authors can start with a topic sentence introducing the first idea and follow it up with proof or evidence supporting the idea. Then they can introduce the second topic sentence conveying the opposing viewpoint, followed by proof or evidence supporting it.

Topic sentence

Different types of topic sentences

The different types of topic sentences include:

Simple statement

This topic sentence is used by authors to make a general observation or statement and then elaborate on it in the body of the paragraph.

New studies are emerging indicating the link between climate change and the emergence of numerous new virus strains.

Interrogative or question

This is used by writers in less formal settings. Authors can start a paragraph using implicit or explicit questions related to the topic of discussion to engage the readers.

How many nations are ready to adapt to rising sea levels?

Complex topic sentences are used when the author is discussing a complicated concept that encompasses multiple ideas. Such topic sentences cover more than a single core idea.

Although many people believe that a mother bird will reject its chick if it is touched by humans, the truth is that birds do not abandon their babies after humans touch them.

Authors can use their topic sentences to make explicit demands or pleas to their readers. This will be helpful in breaking the monotony of the essay.

Let’s look at the data from the latest research.

Purely transitional

Though topic sentences are generally responsible for facilitating a smooth transition between paragraphs, occasionally they are purely transitional. These function best when the main topic shifts abruptly by highlighting the switch.

But not everybody agrees.

Pivot sentences are not found at the beginning of a paragraph but rather in the middle, indicating a change in the topic. Conjunctive adverbs like however, furthermore, and meanwhile are frequently used with them.

However, the undisputed king of tennis, Roger Federer, was dethroned in 2008 at Wimbledon.

How to create good topic sentences

A good topic sentence can be created using some simple steps:

1. Determine the key point of your essay

Writers should first form an understanding of the topic of the essay and then create topic sentences to attract the attention of readers. Constructing a good thesis statement can assist the writer in forming better topic sentences.

2. Have an outline for the essay

The author should form a plan or roadmap beforehand on the topics they want to discuss in a paragraph and the evidence they want to use as supporting statements.

3. Be coherent and clear

Writers should make their topic sentences clear and comprehensible so that the reader can form a clear understanding of what to expect in the paragraph.

4. Share opinions

It is advisable to share the opinion or viewpoint of the author in the topic sentence to attract the attention of the reader. Authors should also refrain from writing obvious facts in the topic sentences.

5. Use specific wordings

The topic sentences ought to be precise enough so that the authors can use a few sentences in the paragraph to support them.

6. Transitions should be added between paragraphs

To give the essay or paper a throughline, authors can create topic sentences that refer to the prior paragraph. A topic sentence can make a reference to the preceding paragraph while introducing the next part by using transitional words.

7. Use new, relevant information

Instead of using an obvious fact that everybody knows as the topic sentence, authors can give new information. It is also important to present them in an interesting way.

8. Create a compound or complex topic statement

Compound or complex topic statements feel advanced and stronger. Authors can create such topic statements to add a high level of sophistication to their text.

Many beginner writers and students confuse thesis statements with topic sentences. In essence, thesis statements establish the major idea discussed in the entire essay or paper, as opposed to topic sentences, which introduce the central concept of a paragraph.

Both of these sentences are responsible for giving the readers a sample of what to expect, but in entirely different capacities. Suppose a person is writing a thesis about the different compounds present in coffee and the health benefits it offers.

The thesis statement will be a generalized statement indicating that there are numerous compounds in coffee that benefit the health of humans. But the topic sentence of each paragraph will introduce any single health benefit or compound present in the coffee.

Topic sentences are typically found at the beginning of a paragraph. But this does not mean that they cannot be placed elsewhere in the paragraph. In some cases, when the details discussed can be summarized into a general statement, topic sentences can be included at the end.

Similarly, in some paragraphs where multiple concepts are discussed, topic sentences may be used in the middle of the paragraph. The placement depends on the number of topics being discussed and the way they are discussed.

  • Merriam Webster – topic sentence – Definition
  • Wikipedia – Topic sentence
  • wikiHow – How to Write a Good Topic Sentence
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how many topic sentences does an essay have

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Paragraphs & topic sentences.

A paragraph is a series of sentences that are organized and coherent, and are all related to a single topic. Almost every piece of writing you do that is longer than a few sentences should be organized into paragraphs. This is because paragraphs show a reader where the subdivisions of an essay begin and end, and thus help the reader see the organization of the essay and grasp its main points.

Paragraphs can contain many different kinds of information. A paragraph could contain a series of brief examples or a single long illustration of a general point. It might describe a place, character, or process; narrate a series of events; compare or contrast two or more things; classify items into categories; or describe causes and effects. Regardless of the kind of information they contain, all paragraphs share certain characteristics. One of the most important of these is a topic sentence.

TOPIC SENTENCES

A well-organized paragraph supports or develops a single controlling idea, which is expressed in a sentence called the topic sentence. A topic sentence has several important functions: it substantiates or supports an essay’s thesis statement; it unifies the content of a paragraph and directs the order of the sentences; and it advises the reader of the subject to be discussed and how the paragraph will discuss it. Readers generally look to the first few sentences in a paragraph to determine the subject and perspective of the paragraph. That’s why it’s often best to put the topic sentence at the very beginning of the paragraph. In some cases, however, it’s more effective to place another sentence before the topic sentence—for example, a sentence linking the current paragraph to the previous one, or one providing background information.

Although most paragraphs should have a topic sentence, there are a few situations when a paragraph might not need a topic sentence. For example, you might be able to omit a topic sentence in a paragraph that narrates a series of events, if a paragraph continues developing an idea that you introduced (with a topic sentence) in the previous paragraph, or if all the sentences and details in a paragraph clearly refer—perhaps indirectly—to a main point. The vast majority of your paragraphs, however, should have a topic sentence.

PARAGRAPH STRUCTURE

Most paragraphs in an essay have a three-part structure—introduction, body, and conclusion. You can see this structure in paragraphs whether they are narrating, describing, comparing, contrasting, or analyzing information. Each part of the paragraph plays an important role in communicating your meaning to your reader.

Introduction : the first section of a paragraph; should include the topic sentence and any other sentences at the beginning of the paragraph that give background information or provide a transition.

Body : follows the introduction; discusses the controlling idea, using facts, arguments, analysis, examples, and other information.

Conclusion : the final section; summarizes the connections between the information discussed in the body of the paragraph and the paragraph’s controlling idea.

The following paragraph illustrates this pattern of organization. In this paragraph the topic sentence and concluding sentence (CAPITALIZED) both help the reader keep the paragraph’s main point in mind.

SCIENTISTS HAVE LEARNED TO SUPPLEMENT THE SENSE OF SIGHT IN NUMEROUS WAYS. In front of the tiny pupil of the eye they put , on Mount Palomar, a great monocle 200 inches in diameter, and with it see 2000 times farther into the depths of space. Or they look through a small pair of lenses arranged as a microscope into a drop of water or blood, and magnify by as much as 2000 diameters the living creatures there, many of which are among man’s most dangerous enemies. Or , if we want to see distant happenings on earth, they use some of the previously wasted electromagnetic waves to carry television images which they re-create as light by whipping tiny crystals on a screen with electrons in a vacuum. Or they can bring happenings of long ago and far away as colored motion pictures, by arranging silver atoms and color-absorbing molecules to force light waves into the patterns of original reality. Or if we want to see into the center of a steel casting or the chest of an injured child, they send the information on a beam of penetrating short-wave X rays, and then convert it back into images we can see on a screen or photograph. THUS ALMOST EVERY TYPE OF ELECTROMAGNETIC RADIATION YET DISCOVERED HAS BEEN USED TO EXTEND OUR SENSE OF SIGHT IN SOME WAY. George Harrison, “Faith and the Scientist”

In a coherent paragraph, each sentence relates clearly to the topic sentence or controlling idea, but there is more to coherence than this. If a paragraph is coherent, each sentence flows smoothly into the next without obvious shifts or jumps. A coherent paragraph also highlights the ties between old information and new information to make the structure of ideas or arguments clear to the reader.

Along with the smooth flow of sentences, a paragraph’s coherence may also be related to its length. If you have written a very long paragraph, one that fills a double-spaced typed page, for example, you should check it carefully to see if it should start a new paragraph where the original paragraph wanders from its controlling idea. On the other hand, if a paragraph is very short (only one or two sentences, perhaps), you may need to develop its controlling idea more thoroughly, or combine it with another paragraph.

A number of other techniques that you can use to establish coherence in paragraphs are described below.

Repeat key words or phrases. Particularly in paragraphs in which you define or identify an important idea or theory, be consistent in how you refer to it. This consistency and repetition will bind the paragraph together and help your reader understand your definition or description.

Create parallel structures. Parallel structures are created by constructing two or more phrases or sentences that have the same grammatical structure and use the same parts of speech. By creating parallel structures you make your sentences clearer and easier to read. In addition, repeating a pattern in a series of consecutive sentences helps your reader see the connections between ideas. In the paragraph above about scientists and the sense of sight, several sentences in the body of the paragraph have been constructed in a parallel way. The parallel structures (which have been emphasized ) help the reader see that the paragraph is organized as a set of examples of a general statement.

Be consistent in point of view, verb tense, and number. Consistency in point of view, verb tense, and number is a subtle but important aspect of coherence. If you shift from the more personal "you" to the impersonal “one,” from past to present tense, or from “a man” to “they,” for example, you make your paragraph less coherent. Such inconsistencies can also confuse your reader and make your argument more difficult to follow.

Use transition words or phrases between sentences and between paragraphs. Transitional expressions emphasize the relationships between ideas, so they help readers follow your train of thought or see connections that they might otherwise miss or misunderstand. The following paragraph shows how carefully chosen transitions (CAPITALIZED) lead the reader smoothly from the introduction to the conclusion of the paragraph.

I don’t wish to deny that the flattened, minuscule head of the large-bodied "stegosaurus" houses little brain from our subjective, top-heavy perspective, BUT I do wish to assert that we should not expect more of the beast. FIRST OF ALL, large animals have relatively smaller brains than related, small animals. The correlation of brain size with body size among kindred animals (all reptiles, all mammals, FOR EXAMPLE) is remarkably regular. AS we move from small to large animals, from mice to elephants or small lizards to Komodo dragons, brain size increases, BUT not so fast as body size. IN OTHER WORDS, bodies grow faster than brains, AND large animals have low ratios of brain weight to body weight. IN FACT, brains grow only about two-thirds as fast as bodies. SINCE we have no reason to believe that large animals are consistently stupider than their smaller relatives, we must conclude that large animals require relatively less brain to do as well as smaller animals. IF we do not recognize this relationship, we are likely to underestimate the mental power of very large animals, dinosaurs in particular. Stephen Jay Gould, “Were Dinosaurs Dumb?”

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(modified from Diana Hacker, A Writer’s Reference )

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Paragraphs: Topic Sentences

Topic sentences video playlist.

Note that these videos were created while APA 6 was the style guide edition in use. There may be some examples of writing that have not been updated to APA 7 guidelines.

  • Academic Paragraphs: Introduction to Paragraphs and the MEAL Plan (video transcript)
  • Academic Paragraphs: Examples of the MEAL Plan (video transcript)

The best way to understand the role of the topic sentence in paragraph development is to imagine that any given paragraph is a miniature essay that has its own thesis, support, and conclusion. The parts of a paragraph easily correspond to the parts of an essay:

Thesis statement Topic sentence
Body paragraphs Supporting details, explanation, analysis
Conclusion Wrap-up sentence(s)

Just as an effective essay starts off with an introduction that presents the paper's thesis statement and indicates the specific claim or argument that the essay will develop, each paragraph should begin with a topic sentence that indicates the focus of that paragraph, alerting the reader to the particular subtopic that the paragraph will provide evidence to support.

A strong topic sentence should be placed at or near the beginning of a paragraph. In addition, this sentence should focus on a specific issue, avoid the use of direct quotations, and leave room for support and analysis within the body of the paragraph. Read on to learn more about creating an effective topic sentence.

The topic sentence does not have to be the first sentence in the paragraph; however, it should come early in the paragraph in order to orient the reader to the paragraph's focus right away. Occasionally a writer may place a transition sentence before the topic sentence, to create continuity between topics.

Topic Sentence to begin paragraph:

In the novel Sula , Morrison uses the physical bonds of female friendship to propel her characters into self-awareness.

Transition Sentence + Topic Sentence to begin paragraph:

However, Morrison does not only use the emotional and spiritual bonds between her female characters to initiate their coming-of-age. In addition, the author uses the physical bonds of female friendship to propel her adolescent protagonists into self-awareness.

Specificity

Your topic sentence should be more narrowly focused than your thesis sentence, and you will want to make sure the claim you are making can be supported, argued, and analyzed within the body of your paragraph.

Example: In the novel Sula , Morrison uses the physical bonds of female friendship to propel her characters into self-awareness.

In this topic sentence, the essayist is arguing that physical bonds of friendship, specifically, make the female characters more self-aware. Because this idea can be refuted or supported by readers (based on how successfully the essayist persuades his or her readers with examples and analysis from the novel), and because the claim is narrow enough to address within a single paragraph, the above sentence is a successful topic sentence.

Direct Quotations (Are Best Avoided)

Although it might be tempting to begin a paragraph with a compelling quotation, as a general rule, topic sentences should state the main idea of the paragraph in your own words. Direct quotations have a place later in the paragraph, where they may be incorporated to support the topic sentence.

Needs Improvement: As Morrison (1982) conveyed, the girls' "friendship let them use each other to grow on…they found in each other's eyes the intimacy they were looking for" (p. 52).
Better: In the novel Sula , Morrison uses the physical bonds of female friendship to propel her characters into self-awareness. Pointing to the connection of eyes meeting and bodies growing together, Morrison makes coming-of-age an interactive physical process between the adolescent protagonists. Specifically, Morrison describes how Sula and Nel have used "each other to grow on…they found in each other's eyes the intimacy they were looking for" (p. 52).

In this second paragraph, the topic sentence appears first, immediately orienting readers to the main focus (or topic) of the paragraph. The quotation is used later in the paragraph as a form of evidence or support for the topic sentence.

If you are finding it challenging to create effective topic sentences, you might consider outlining before beginning to write a paper. The points and subpoints of an outline can then become the topic sentences for the paper's paragraphs.

Additionally, because the topic sentence functions similarly at the paragraph level to the thesis at the essay level, you may also find it helpful to check out our thesis statement construction information. Our resource on paragraphs has helpful information about the scope of a paragraph, as well.

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Writing Guides  /  10 Effective Topic Sentence Examples for Engaging Essays

10 Effective Topic Sentence Examples for Engaging Essays

topic sentence examples

Writing an effective topic sentence is trickier than it appears. You want a sentence that grabs the reader’s attention and tells them what to expect from the essay. You also need the sentence to be concise and clear. Plus, it is not enough to develop a single topic sentence. You need a topic sentence for each paragraph in your essay. These sentences serve as guideposts, helping your reader quickly and reliably navigate your essay. No wonder writing effective topic sentences is crucial to a good essay.

What is a Topic Sentence?

A topic sentence is a sentence that tells the main point of a paragraph. Typically, it is the first sentence in the section. However, you might use a different hook, making the topic sentence the second or third. Some professors refer to topic sentences as focus sentences. That is a great way to think about them because the paragraph should focus on the information in the topic sentence.

In expository writing, each paragraph should have a topic sentence. In addition, the topic sentence in your introductory paragraph should focus on the entire essay. What is the paper’s topic, and what approach will the author take in the paper? The reader should be able to answer those questions by reading the topic sentence.

While a topic sentence needs to provide a focus for your essay or paragraph, you want to avoid making it too narrow. Instead, you want to give the reader a general idea of your topic. The topic sentences in your supporting paragraphs can be more limited because the focus in each supporting section will concentrate on bolstering the point you are making in that paragraph. However, the topic sentence for the entire essay needs to be sufficiently broad to let you introduce all of the supporting paragraphs.

Topic Sentence Structure

Structuring an essay is one of the most critical roles for a topic sentence. Suppose you are a person who outlines your papers before writing them. In that case, your topic sentences should be able to provide the skeleton of your essay. They are too broad or narrow if they cannot, so you will want to adjust them accordingly. So, one of the answers to “What’s a topic sentence?” is a skeleton. With your topic sentences, outlining your essay should be easy. You can also go in the opposite direction. Writing your topic sentences should also be easier if you have outlined your essay.

Topic Sentences v. Thesis Statements

Many students struggle with the difference between topic sentences and thesis statements. One of the significant differences is the placement in your paper. Your topic sentence for the entire essay will be in your introductory paragraph’s first or second sentence. You will also have topic sentences for each section of the paper.

However, the difference is about more than placement. Your thesis statement should be more focused and nuanced than your topic sentence. Furthermore, the topic sentences of each supporting paragraph will support your thesis.

To understand the difference, you need to understand the difference between your essay’s topic and your paper’s narrow focus. For example, if you write an example essay about how dogs help humans, dogs helping humans is your topic. If you provide a specific example of a friend’s service dog, the service dog would be in the thesis. Then, your supporting paragraphs would show a connection between your thesis and the overall topic.

topic sentences

How to Write a Topic Sentence

Before writing a topic sentence, you must decide on your topic. What is the main point of your essay? Let us return to our example essay about dogs helping humans. A bad example of a topic sentence would be:

Dogs are good.

While most people agree with that statement, it is too broad to make a good topic sentence. Yes, it lets the readers know that you will be writing about dogs and that it will be positive, but they have no idea where that topic will go. Your topic sentence needs to do more than tell the reader what your essay is about; it also needs to tell them why you are writing it.

A better topic sentence would be:

Since their relationship with man began, dogs have been helping humans.

That sentence lets the reader know that you will discuss not just dogs but the helpful relationship between dogs and humans. It enables you to introduce the idea of service dogs so that you can narrow the focus to create your thesis statement. If you wanted to narrow your topic even more, you could hone your topic sentence further and make it something like:

For some people, dogs are more than man’s best friend; they are essential companions that help them live an everyday life.

Where to Place Your Topic Sentence

Generally, you want your topic sentence for the essay to be the essay’s opening sentence. There are exceptions, where you might choose to open with a hook statement instead. In those instances, your topic sentence should immediately follow your hook. That way, it serves as a bridge between your hook and the rest of the essay.

For complex writing, you could also begin each supporting paragraph with a hook. However, that approach will be overly complicated and seem disorganized for most academic writing. Instead, for most people, we suggest using the topic sentence as the first sentence for each of your introductory paragraphs. It will help provide structure for the readers. It can also help you identify and stick to a form as a writer.

What is an Effective Topic Sentence for an Essay?

You already know that good writing should feature many sentence types and structures. However, do you know you should avoid simple sentence structures for your topic sentence? While it is not a hard-and-fast rule, the reality is that using compound or complex sentence structures elevates your writing.

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Topic Sentence Examples

Remember, your goal in an argumentative essay is to support a particular viewpoint. So, your topic sentence needs to contain that viewpoint. It should not simply be a fact. The stronger your perspective, the more likely you can convince the reader to agree, as long as you support it with evidence in the essay.

Ten examples of good topic sentences for argumentative essays, some of which we included above, are:

#1.  Although people may be worried about overt racism, most of the discrimination in the criminal justice system is the result of covert racism.

#2.  Abstinence-only education is bad for children because it stigmatizes sexual behavior while doing nothing to reduce teen pregnancy rates.

#3.  Abstinence-based education is suitable for children because it delays the onset of sexual activity by approximately a year.

#4.  1 in 4 men have experienced domestic violence from a partner, which means you know a man who has been victimized.

#5.  While many people think of domestic violence as a woman’s issue, the reality is that you know a man who has been victimized since 1 in 4 men will be a victim of domestic violence.

#6.  For some people, dogs are more than man’s best friend; they are essential companions that help them live an everyday life.

#7.  While often used to insult women, single female cat owners’ self-reported happiness rates suggest that becoming a cat lady may be a goal, not a curse.

#8.  While it is important to respect individual choice, the tradwife trend is a warning sign of a culture embracing misogynistic ideals about a woman’s role.

#9. While the pro-choice argument hinges on when life begins, that is irrelevant; the issue concerns bodily autonomy and the ethics of forcing one human to use their body to support another, not about when life begins.

#10.  The combination of sweet and savory flavors is well-known in the culinary world, so it seems clear that pineapple belongs on pizza.

how many topic sentences does an essay have

Effective Topic Sentences

Looking at topic sentence ideas is looking at essay ideas. Once you get an idea for your essay, you can choose a direction and structure your topic sentence around that idea. Look at these two examples of a topic sentence to see different approaches:

Most of the discrimination in the criminal justice system is due to covert racism, not overt racism.

Although people may be worried about overt racism, most of the discrimination in the criminal justice system is the result of covert racism.

When discussing topic sentences for supporting paragraphs, it is essential to think about the flow of your essay. You want the paragraphs to transition naturally into one another while their first sentences should still announce the paragraph’s topic. One way to do that is to include transition words in your topic sentence. Those transition words can link the paragraph to the one above it, providing a smooth, seamless, and logical transition between thoughts.

How do you write an engaging first sentence in an essay?

One of the biggest challenges for writers is making their topic sentences attractive. That is especially true if you are writing about a topic your audience knows reasonably well. So, avoid making apparent statements when writing your topic sentence when possible. If you can, use a fact or a perspective that might be new to your readers. If you cannot do that, try to give the audience something to consider. You want your topic sentence to tell the audience what you are writing about and why they should give a damn.

To do that, you may want to link a fact to something relevant to your reader. For example, if you are writing an essay about domestic violence, your topic sentence could be:

1 in 4 men have experienced domestic violence from a partner.

That is an interesting fact that most people do not know since most domestic violence information focuses on violence against women. However, it is just a fact. You could make it more personal to the reader by stating:

1 in 4 men have experienced domestic violence from a partner, which means you know a man who has been victimized.

Now, this example sentence could be problematic, depending on the formality of the essay, since we generally avoid the second person (you) in formal, academic writing. However, it does provide food for thought since most people can probably name a woman they know who has been victimized but not a man. So, link the fact to something personal and thought-provoking.

Four Characteristics of an Effective Topic Sentence

An effective topic sentence has four primary characteristics:

  • It is straightforward to follow.
  • It has a main idea and a central idea.
  • It uses engaging vocabulary.
  • It signals the reader about the content and tone of the essay or paragraph.

Understanding the difference between a main idea and a controlling idea can be confusing. Think of the main idea as your broader topic. Returning to our service dog essay example, the main idea could be something as comprehensive as dogs are good. The main idea would be that dogs are good because they help people. You would not state a sentence in such primary language, but you can base your sentence on those ideas.

Some topic sentence examples that contain these four characteristics include:

Abstinence-only education is bad for children because it stigmatizes sexual behavior while doing nothing to reduce teen pregnancy rates.

Abstinence-based education is suitable for children because it delays the onset of sexual activity by approximately a year.

Notice that both sentences above have the same topic or main idea, abstinence-based sex education, but their main ideas differ. One of them is the introduction to an essay against abstinence-only education. At the same time, the other is the introduction to an essay for abstinence-only education. Those two directions are why you want to do more than introduce your main idea or topic; you also want to include a controlling idea.

Vital Topic Sentence in an Argumentative Essay

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Table of Contents

A topic sentence summarizes the main idea or the purpose of a paragraph.

In an essay, topic sentences serve an organizational purpose similar to a thesis statement but on a smaller scale; a topic sentence helps guide the organization of a single paragraph while a thesis statement guides the organization of the entire essay. A topic sentence may be placed at the beginning, middle, or end of a paragraph depending upon the way the writer chooses to organize the paragraph.

What are the functions of a topic sentence?

A topic sentence functions in several important ways:

  • It informs the reader of the paragraph’s direction

The topic sentence announces the direction of the paragraph’s conversation. With the help of an effective topic sentence, readers will better understand what the paragraph will be about.

  • It guides the reader through the major points that support the thesis statement

Since each paragraph—or a group of paragraphs—elaborates on a part of the thesis statement, a topic sentence can help clarify the relationship between the paragraph and the thesis statement. Clearly worded topic sentences may help readers find the paper’s position or argument more convincing.

  • It places boundaries on the paragraph’s content

The body of the paragraph provides support for the topic sentence. The paragraph should only include evidence and details that relate directly to the boundary established by the topic sentence.

Let’s look at an example:

Topic sentence: Specially trained dogs provide valuable services for various law enforcement agencies.

Details within the paragraph:

  • Drug Enforcement Administration officers use dogs to find various types of drugs.
  • Some dogs are trained to search for and locate bombs and other weapons for the Bureau of Alcohol, Tobacco and Firearms.
  • Police dogs can be used to track missing people or fugitives.
  • Cadaver dogs are trained to ignore the scent of live humans and search for human remains.

When the topic sentence prefaces the sentences with supporting details, the purpose of the paragraph is clearer to the reader. Together, the topic sentence and the body sentences create a well-organized and easy to follow paragraph:

Specially trained dogs provide valuable services for various law enforcement agencies. The Drug Enforcement Administration trains dogs to find even trace amounts of various types of illegal substances. The Bureau of Alcohol, Tobacco, and Firearms uses dogs to search for and locate bombs and other weapons, especially at large public events or arenas. Additionally, several local and federal agencies use dogs to track missing people or fugitives who may be found in a specific, localized area. Cadaver dogs, similarly, are trained to ignore the scent of live humans and search for human remains. These dogs are valuable assets to our country’s law enforcement organizations.

Where should the topic sentence be placed within a paragraph?

Your instructor may have guidelines for you about where to place topic sentences. If it is up to you, the topic sentence may appear:

  • At the beginning. In many writing situations, the author places the topic sentence at the beginning of the paragraph. Readers often expect cues related to the paragraph’s focus, claim, and main idea. In this position, the topic sentence makes an initial point and the remainder of the paragraph provides relevant supporting details.
  • In the middle. In a few writing situations, the author may use the first sentence (or two) in a paragraph to act as a transition between paragraphs. The topic sentence that follows the transitional sentence(s) summarizes the paragraph’s main idea and helps provide unity to its content. In this position, the topic sentence links the supporting details presented before and after it.
  • At the end. In some writing situations, the author may place the topic sentence at the end of the paragraph. Groundwork laid at the beginning of the paragraph can be built upon until it culminates at the end. Or, in a long or complex paragraph, the author may choose to restate the topic sentence in the form of a concluding sentence to remind the reader of the paragraph’s main point.

When might a topic sentence be unnecessary?

If they are not required by an instructor, there are a few instances when a topic sentence might be unnecessary, including when:

  • The train of thought continues from the previous paragraph. Writers may find they have a lot to say about a sub-point in their essay and the number of supporting details could result in unwieldy paragraph length. When a previously developed idea spills into a new paragraph, a topic sentence may not be needed for the resulting new paragraph.
  • The paragraph narrates a series of events. Writers may become narrators in some settings; hence, this transmission of events or experiences may speak for itself and a topic sentence could get in the way.
  • The main idea of the paragraph is obvious Writers may sometimes present reliable, convincing evidence in such a way that the point of the paragraph is obvious and a topic sentence becomes unnecessary.

When during writing should the topic sentence be identified?

Because writing is a thoughtful, constructive process, writers may not always know what form their thoughts will take until they make it onto the page. This process involves a developmental progression that usually includes several drafts. Writers may identify topic sentences at different points during the writing process. Sometimes writers know right away what the topic sentence looks like and where it fits within the paragraph. Other times, they need to look at earlier drafts and analyze the main point of the paragraph. Then, a decision can be reached whether or not a topic sentence is necessary and, if so, where it should be placed.

How do I write or revise a topic sentence?

When writing or revising a topic sentence, consider whether the topic sentence:

  • concisely summarizes the main idea or purpose of the paragraph?
  • effectively guides the organization of the paragraph’s ideas?
  • clearly announces the direction of the paragraph’s conversation?
  • actively supports the relationship between the paragraph’s ideas and the essay’s thesis statement?
  • adequately prepares the way for the content of the paragraph?
  • firmly establishes boundaries for the supporting details and evidence presented in the paragraph?

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What Is a Topic Sentence?

  • An Introduction to Punctuation
  • Ph.D., Rhetoric and English, University of Georgia
  • M.A., Modern English and American Literature, University of Leicester
  • B.A., English, State University of New York

A topic sentence is a  sentence , sometimes at the beginning of a paragraph , that states or suggests the main idea (or topic ) of a paragraph.

Not all paragraphs begin with topic sentences. In some, the topic sentence appears in the middle or at the end. In others, the topic sentence is implied or absent altogether.

Examples and Observations

  • " Salva and the other boys made cows out of clay. The more cows you made, the richer you were. But they had to be fine, healthy animals. It took time to make a lump of clay look like a good cow. The boys would challenge each other to see who could make the most and best cows." (Linda Sue Park, A Long Walk to Water . Clarion, 2010)
  • " Momma bought two bolts of cloth each year for winter and summer clothes. She made my school dresses, underslips, bloomers, handkerchiefs, Bailey's shirts, shorts, her aprons, house dresses and waists from the rolls shipped to Stamps by Sears and Roebuck. . . ." (Maya Angelou, I Know Why the Caged Bird Sings . Random House, 1969)
  • " You discover what it is like to be hungry. With bread and margarine in your belly, you go out and look into the shop windows. Everywhere there is food insulting you in huge, wasteful piles; whole dead pigs, baskets of hot loaves, great yellow blocks of butter, strings of sausages, mountains of potatoes, vast Gruyère cheeses like grindstones. A snivelling self-pity comes over you at the sight of so much food. You plan to grab a loaf and run, swallowing it before they catch you; and you refrain, from pure funk." (George Orwell, Down and Out in Paris and London . Victor Gollancz, 1933)
  • " The flavor that salt imparts to food is just one of the attributes that manufacturers rely on. For them, salt is nothing less than a miracle worker in processed foods. It makes sugar taste sweeter. It adds crunch to crackers and frozen waffles. It delays spoilage so that the products can sit longer on the shelf. And, just as importantly, it masks the otherwise bitter or dull taste that hounds so many processed foods before salt is added." (Michael Moss, Salt, Sugar, Fat: How the Food Giants Hooked Us . Random House, 2013)
  • " The very idea of retirement is a relatively new invention. For most of human history, people worked until they died or were too infirm to lift a finger (at which point they died pretty fast anyway). It was the German statesman Otto von Bismarck who first floated the concept, in 1883, when he proposed that his unemployed countrymen over the age of 65 be given a pension. This move was designed to fend off Marxist agitation—and to do so on the cheap, since few Germans survived to that ripe old age." (Jessica Bruder, "The End of Retirement." Harper's , August 2014)
  • " Grandma's room I regarded as a dark den of primitive rites and practices. On Friday evenings whoever was home gathered at her door while she lit her Sabbath candles. . . ."  (E.L. Doctorow, World's Fair . Random House, 1985)
  • " Genealogy is an ancient human preoccupation. The God of Hebrew Scripture promised Abraham descendants beyond number, like the stars in the sky and the sand on the seashore. The apostles Matthew and Luke claim that Abraham's lineage went on to include King David and eventually Jesus, though the specifics of their accounts are contradictory. Muslims trace Mohammed's line back through Abraham, to Adam and Eve." (Maud Newton, "America's Ancestry Craze." Harper's , June 2014)
  • " O nce, in a restaurant in Italy with my family, I occasioned enormous merriment, as a nineteenth-century humorist would have put it, by confusing two Italian words. I thought I had, very suavely, ordered for dessert fragoline —those lovely little wild strawberries. Instead, I seem to have asked for fagiolini —green beans. The waiter ceremoniously brought me a plate of green beans with my coffee, along with the flan and the gelato for the kids. The significant insight the mistake provided—arriving mere microseconds after the laughter of those kids, who for some reason still bring up the occasion, often—was about the arbitrary nature of language: the single 'r' rolled right makes one a master of the trattoria, an 'r' unrolled the family fool. . . ." (Adam Gopnik, "Word Magic." The New Yorker , May 26, 2014)
  • " In seventeenth-century Europe, the transformation of man into soldier took on a new form, more concerted and disciplined, and far less pleasant, than wine. New recruits and even seasoned veterans were endlessly drilled, hour after hour, until each man began to feel himself part of a single, giant fighting machine. . . ." (Barbara Ehrenreich, Blood Rites: Origins and History of the Passions of War . Henry Holt and Company, 1997)
  • " What is the appeal of train travel? Ask almost any foamer, and he or she will invariably answer, 'The romance of it!' But just what this means, they cannot really say. It's tempting to think that we are simply equating romance with pleasure, with the superior comfort of a train, especially seated up high in the observation cars. . . ." (Kevin Baker, "21st Century Limited: The Lost Glory of America's Railroads." Harper's , July 2014)
  • " Because science fiction spans the spectrum from the plausible to the fanciful, its relationship with science has been both nurturing and contentious. For every author who meticulously examines the latest developments in physics or computing, there are other authors who invent 'impossible' technology to serve as a plot device (like Le Guin’s faster-than-light communicator, the ansible) or to enable social commentary, the way H. G. Wells uses his time machine to take the reader to the far future to witness the calamitous destiny of the human race." (Eileen Gunn, "Brave New Words." Smithsonian , May 2014)
  • " I passed all the other courses that I took at my university, but I could never pass botany. . . ." (James Thurber, My Life and Hard Times . Harper & Row, 1933)
  • " What is there about this wonderful woman? From next door, she comes striding, down the lawn, beneath the clothesline, laden with cookies she has just baked, or with baby togs she no longer needs, and one's heart goes out. Pops out. The clothesline, the rusted swing set, the limbs of the dying elm, the lilacs past bloom are lit up like rods of neon by her casual washday energy and cheer, a cheer one has done nothing to infuse." (John Updike, "One's Neighbor's Wife." Hugging the Shore: Essays and Criticism . Knopf, 1983)
  • " Television. Why do I watch it? The parade of politicians every evening: I have only to see the heavy, blank faces so familiar since childhood to feel gloom and nausea. . . ." (J.M. Coetzee, Age of Iron . Random House, 1990)
  • " Anyone who has made the coast-to-coast journey across America, whether by train or by car, has probably passed through Garden City, but it is reasonable to assume that few travelers remember the event. It seems just another fair-sized town in the middle--almost the exact middle--of the continental United States. . . ." (Truman Capote, In Cold Blood . Random House, 1966)
  • " Rodeo, like baseball, is an American sport and has been around almost as long. . . ." (Gretel Ehrlich, The Solace of Open Spaces . Viking Penguin, 1985)
  • " What a piece of work is a book! I am not talking about writing or printing. I am talking about the codex we may leaf through, that may be put away on a shelf for whole centuries and will remain there, unchanged and handy. . . ." (William Golding, A Moving Target . Farrar, Straus and Giroux, 1982)

Characteristics of an Effective Topic Sentence

  • "A good topic sentence is concise and emphatic . It is no longer than the idea requires, and it stresses the important word or phrase. Here, for instance, is the topic sentence which opens a paragraph about the collapse of the stock market in 1929: "The Bull Market was dead."(Frederick Lewis Allen) Notice several things. (1) Allen's sentence is brief . Not all topics can be explained in six words, but whether they take six or sixty, they should be phrased in no more words than are absolutely necessary. (2) The sentence is clear and strong: you understand exactly what Allen means. (3) It places the keyword—'dead'—at the end, where it gets heavy stress and leads naturally into what will follow. . . . (4) The sentence stands first in the paragraph. This is where topic sentences generally belong: at or near the beginning." (Thomas S. Kane, The New Oxford Guide to Writing . Oxford Univ. Press, 1988)

Positioning a Topic Sentence

"If you want readers to see your point immediately, open with the topic sentence . This strategy can be particularly useful in letters of application or in argumentative writing. . . . "When specific details lead up to a generalization, putting the topic sentence at the end of the paragraph makes sense. . . . "Occasionally a paragraph's main idea is so obvious that it does not need to be stated explicitly in a topic sentence." (Andrea Lunsford, The St. Martin's Handbook . Bedford/St. Martin's, 2008)

Guidelines for Composing Topic Sentences

"The topic sentence is the most important sentence in your paragraph. Carefully worded and restricted, it helps you generate and control your information. An effective topic sentence also helps readers grasp your main idea quickly. As you draft your paragraphs, pay close attention to the following three guidelines:

  • Make sure you provide a topic sentence. . . .
  • Put your topic sentence first.
  • Be sure your topic sentence is focused. If restricted, a topic sentence discusses only one central idea. A broad or unrestricted topic sentence leads to a shaky, incomplete paragraph for two reasons:
  • The paragraph will not contain enough information to support the topic sentence .
  • A broad topic sentence will not summarize or forecast specific information in the paragraph."

(Philip C. Kolin, Successful Writing at Work , 9th ed. Wadsworth, 2010)

Testing for Topic Sentences

"When testing your article for topic sentences , you should be able to look at each paragraph and say what the topic sentence is. Having said it, look at all the other sentences in the paragraph and test them to make sure they support it. . . .

"If you find that you have come up with the same topic sentence more than once, you have two paragraphs doing the same work. Cut one of them out.

"If you find a paragraph that has several sentences that don't support the topic sentence, see if all the outlaw sentences support some other topic sentence and turn the one paragraph into two." (Gary Provost, "How to Test Your Articles for the 8 Essentials of Nonfiction." Handbook of Magazine Article Writing , ed. by Jean M. Fredette. Writer's Digest Books, 1988)

Frequency of Topic Sentences

"Teachers and textbook writers should exercise caution in making statements about the frequency with which contemporary professional writers use simple or even explicit topic sentences in expository paragraphs. It is abundantly clear that students should not be told that professional writers usually begin their paragraphs with topic sentences."  (Richard Braddock, "The Frequency and Placement of Topic Sentences in Expository Prose." Research in the Teaching of English . Winter 1974)

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  • Understanding General-to-Specific Order in Composition
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  • Expanding Sentences With Prepositional Phrases
  • What Are Causative Verbs?
  • Definition and Examples of Paragraphing in Essays
  • Definition and Examples of Body Paragraphs in Composition
  • Understanding Organization in Composition and Speech
  • Outlines for Every Type of Writing Composition
  • Infinitive Phrase (Verbs)
  • All About Capitalization
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How Many Paragraphs Should an Essay Have?

How Many Paragraphs Should an Essay Have?

6-minute read

  • 19th May 2023

You have an essay to write. You’ve researched the topic and crafted a strong thesis statement . Now it’s time to open the laptop and start tapping away on the keyboard. You know the required word count, but you’re unsure of one thing: How many paragraphs should you have in the essay? Gee, it would’ve been nice if your professor had specified that, huh?

No worries, friend, because in this post, we’ll provide a guide to how many paragraphs an essay should have . Generally, the number of paragraphs will depend on how many words and how many supporting details you need (more on that later). We’ll also explore the concept of paragraphs if you’re wondering what they’re all about. And remember, paragraphs serve a purpose. You can’t submit an essay without using them!

What Is a Paragraph?

You likely know what a paragraph is, but can you define it properly in plain English? Don’t feel bad if that question made you shake your head. Off the top of our heads, many of us can’t explain what a paragraph is .

A paragraph comprises at least five sentences about a particular topic. A paragraph must begin with a well-crafted topic sentence , which is then followed by ideas that support that sentence. To move the essay forward, the paragraph should flow well, and the sentences should be relevant.

Why Are Paragraphs Important?

Paragraphs expand on points you make about a topic, painting a vivid picture for the reader. Paragraphs break down information into chunks, which are easier to read than one giant, uninterrupted body of text. If your essay doesn’t use paragraphs, it likely won’t earn a good grade!

 How Many Paragraphs Are in an Essay?

As mentioned, the number of paragraphs will depend on the word count and the quantity of supporting ideas required. However, if you have to write at least 1,000 words, you should aim for at least five paragraphs. Every essay should have an introduction and a conclusion. The reader needs to get a basic introduction to the topic and understand your thesis statement. They must also see key takeaway points at the end of the essay.

As a rule, a five-paragraph essay would look like this:

  • Introduction (with thesis statement)
  • Main idea 1 (with supporting details)
  • Main idea 2 (with supporting details)
  • Main idea 3 (with supporting details)

Your supporting details should include material (such as quotations or facts) from credible sources when writing the main idea paragraphs.

If you think your essay could benefit from having more than five paragraphs, add them! Just make sure they’re relevant to the topic.

Professors don’t care so much about the number of paragraphs; they want you to satisfy the minimum word requirement. Assignment rubrics rarely state the number of required paragraphs. It will be up to you to decide how many to write, and we urge you to research the assigned topic before writing the essay. Your main ideas from the research will generate most of the paragraphs.

When Should I Start a New Paragraph?

Surprisingly, some students aren’t aware that they should break up some of the paragraphs in their essays . You need to start new paragraphs to keep your reader engaged.

As well as starting a new paragraph after the introduction and another for the conclusion, you should do so when you’re introducing a new idea or presenting contrasting information.

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Starting a paragraph often involves using transitional words or phrases to signal to the reader that you’re presenting a new idea. Failing to use these cues may cause confusion for the reader and undermine your essay’s coherence.

Let’s consider examples of transitional words and phrases in action in a conclusion. Note that the essay is about too much mobile device screen time and that transitional words and phrases can occur later in a paragraph too:

Thanks to “In conclusion” and “Additionally,” the reader clearly knows that they are now in the conclusion stage. They can also follow the logic and development of the essay more easily.

How Do I Know Whether I Have Enough Paragraphs?

While no magic number exists for how many paragraphs you need, you should know when you have enough to satisfy the requirements of the assignment. It helps if you can answer yes to the following questions:

  • Does my essay have both an introduction and a conclusion?
  • Have I provided enough main ideas with supporting details, including quotes and cited information?
  • Does my essay develop the thesis statement?
  • Does my essay adequately inform the reader about the topic?
  • Have I provided at least one takeaway for the reader?

 Conclusion

Professors aren’t necessarily looking for a specific number of paragraphs in an essay; it’s the word count that matters. You should see the word count as a guide for a suitable number of paragraphs. As a rule, five paragraphs should suffice for a 1,000-word essay. As long as you have an introduction and a conclusion and provide enough supporting details for the main ideas in your body paragraphs, you should be good to go.

Remember to start a new paragraph when introducing new ideas or presenting contrasting information. Your reader needs to be able to follow the essay throughout, and a single, unbroken block of text would be difficult to read. Transitional words and phrases help start new paragraphs, so don’t forget to use them!

As with any writing, we always recommend proofreading your essay after you’ve finished it. This step will help to detect typos, extra spacing, and grammatical errors. A second pair of eyes is always useful, so we recommend asking our proofreading experts to review your essay . They’ll correct your grammar, ensure perfect spelling, and offer suggestions to improve your essay. You can even submit a 500-word document for free!

1. What is a paragraph and what is its purpose?

A paragraph is a group of sentences that expand on a single idea. The purpose of a paragraph is to introduce an idea and then develop it with supporting details.

2. What are the benefits of paragraphs?

Paragraphs make your essay easy to read by providing structure and flow. They let you transition from one idea to another. New paragraphs allow you to tell your reader that you’ve covered one point and are moving on to the next.

3. How many paragraphs does a typical essay have?

An essay of at least 1,000 words usually has five paragraphs. It’s best to use the required word count as a guide to the number of paragraphs you’ll need.

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11 Rules for Essay Paragraph Structure (with Examples)

11 Rules for Essay Paragraph Structure (with Examples)

Chris Drew (PhD)

Dr. Chris Drew is the founder of the Helpful Professor. He holds a PhD in education and has published over 20 articles in scholarly journals. He is the former editor of the Journal of Learning Development in Higher Education. [Image Descriptor: Photo of Chris]

Learn about our Editorial Process

How do you structure a paragraph in an essay?

If you’re like the majority of my students, you might be getting your basic essay paragraph structure wrong and getting lower grades than you could!

In this article, I outline the 11 key steps to writing a perfect paragraph. But, this isn’t your normal ‘how to write an essay’ article. Rather, I’ll try to give you some insight into exactly what teachers look out for when they’re grading essays and figuring out what grade to give them.

You can navigate each issue below, or scroll down to read them all:

1. Paragraphs must be at least four sentences long 2. But, at most seven sentences long 3. Your paragraph must be Left-Aligned 4. You need a topic sentence 5 . Next, you need an explanation sentence 6. You need to include an example 7. You need to include citations 8. All paragraphs need to be relevant to the marking criteria 9. Only include one key idea per paragraph 10. Keep sentences short 11. Keep quotes short

Paragraph structure is one of the most important elements of getting essay writing right .

As I cover in my Ultimate Guide to Writing an Essay Plan , paragraphs are the heart and soul of your essay.

However, I find most of my students have either:

  • forgotten how to write paragraphs properly,
  • gotten lazy, or
  • never learned it in the first place!

Paragraphs in essay writing are different from paragraphs in other written genres .

In fact, the paragraphs that you are reading now would not help your grades in an essay.

That’s because I’m writing in journalistic style, where paragraph conventions are vastly different.

For those of you coming from journalism or creative writing, you might find you need to re-learn paragraph writing if you want to write well-structured essay paragraphs to get top grades.

Below are eleven reasons your paragraphs are losing marks, and what to do about it!

11 tips for perfect paragraphs

Essay Paragraph Structure Rules

1. your paragraphs must be at least 4 sentences long.

In journalism and blog writing, a one-sentence paragraph is great. It’s short, to-the-point, and helps guide your reader. For essay paragraph structure, one-sentence paragraphs suck.

A one-sentence essay paragraph sends an instant signal to your teacher that you don’t have much to say on an issue.

A short paragraph signifies that you know something – but not much about it. A one-sentence paragraph lacks detail, depth and insight.

Many students come to me and ask, “what does ‘add depth’ mean?” It’s one of the most common pieces of feedback you’ll see written on the margins of your essay.

Personally, I think ‘add depth’ is bad feedback because it’s a short and vague comment. But, here’s what it means: You’ve not explained your point enough!

If you’re writing one-, two- or three-sentence essay paragraphs, you’re costing yourself marks.

Always aim for at least four sentences per paragraph in your essays.

This doesn’t mean that you should add ‘fluff’ or ‘padding’ sentences.

Make sure you don’t:

a) repeat what you said in different words, or b) write something just because you need another sentence in there.

But, you need to do some research and find something insightful to add to that two-sentence paragraph if you want to ace your essay.

Check out Points 5 and 6 for some advice on what to add to that short paragraph to add ‘depth’ to your paragraph and start moving to the top of the class.

  • How to Make an Essay Longer
  • How to Make an Essay Shorter

2. Your Paragraphs must not be more than 7 Sentences Long

Okay, so I just told you to aim for at least four sentences per paragraph. So, what’s the longest your paragraph should be?

Seven sentences. That’s a maximum.

So, here’s the rule:

Between four and seven sentences is the sweet spot that you need to aim for in every single paragraph.

Here’s why your paragraphs shouldn’t be longer than seven sentences:

1. It shows you can organize your thoughts. You need to show your teacher that you’ve broken up your key ideas into manageable segments of text (see point 10)

2. It makes your work easier to read.   You need your writing to be easily readable to make it easy for your teacher to give you good grades. Make your essay easy to read and you’ll get higher marks every time.

One of the most important ways you can make your work easier to read is by writing paragraphs that are less than six sentences long.

3. It prevents teacher frustration. Teachers are just like you. When they see a big block of text their eyes glaze over. They get frustrated, lost, their mind wanders … and you lose marks.

To prevent teacher frustration, you need to ensure there’s plenty of white space in your essay. It’s about showing them that the piece is clearly structured into one key idea per ‘chunk’ of text.

Often, you might find that your writing contains tautologies and other turns of phrase that can be shortened for clarity.

3. Your Paragraph must be Left-Aligned

Turn off ‘Justified’ text and: Never. Turn. It. On. Again.

Justified text is where the words are stretched out to make the paragraph look like a square. It turns the writing into a block. Don’t do it. You will lose marks, I promise you! Win the psychological game with your teacher: left-align your text.

A good essay paragraph is never ‘justified’.

I’m going to repeat this, because it’s important: to prevent your essay from looking like a big block of muddy, hard-to-read text align your text to the left margin only.

You want white space on your page – and lots of it. White space helps your reader scan through your work. It also prevents it from looking like big blocks of text.

You want your reader reading vertically as much as possible: scanning, browsing, and quickly looking through for evidence you’ve engaged with the big ideas.

The justified text doesn’t help you do that. Justified text makes your writing look like a big, lumpy block of text that your reader doesn’t want to read.

What’s wrong with Center-Aligned Text?

While I’m at it, never, ever, center-align your text either. Center-aligned text is impossible to skim-read. Your teacher wants to be able to quickly scan down the left margin to get the headline information in your paragraph.

Not many people center-align text, but it’s worth repeating: never, ever center-align your essays.

an infographic showing that left-aligned paragraphs are easy to read. The infographic recommends using Control plus L on a PC keyboard or Command plus L on a Mac to left align a paragraph

Don’t annoy your reader. Left align your text.

4. Your paragraphs must have a Topic Sentence

The first sentence of an essay paragraph is called the topic sentence. This is one of the most important sentences in the correct essay paragraph structure style.

The topic sentence should convey exactly what key idea you’re going to cover in your paragraph.

Too often, students don’t let their reader know what the key idea of the paragraph is until several sentences in.

You must show what the paragraph is about in the first sentence.

You never, ever want to keep your reader in suspense. Essays are not like creative writing. Tell them straight away what the paragraph is about. In fact, if you can, do it in the first half of the first sentence .

I’ll remind you again: make it easy to grade your work. Your teacher is reading through your work trying to determine what grade to give you. They’re probably going to mark 20 assignments in one sitting. They have no interest in storytelling or creativity. They just want to know how much you know! State what the paragraph is about immediately and move on.

Suggested: Best Words to Start a Paragraph

Ideal Essay Paragraph Structure Example: Writing a Topic Sentence If your paragraph is about how climate change is endangering polar bears, say it immediately : “Climate change is endangering polar bears.” should be your first sentence in your paragraph. Take a look at first sentence of each of the four paragraphs above this one. You can see from the first sentence of each paragraph that the paragraphs discuss:

When editing your work, read each paragraph and try to distil what the one key idea is in your paragraph. Ensure that this key idea is mentioned in the first sentence .

(Note: if there’s more than one key idea in the paragraph, you may have a problem. See Point 9 below .)

The topic sentence is the most important sentence for getting your essay paragraph structure right. So, get your topic sentences right and you’re on the right track to a good essay paragraph.

5. You need an Explanation Sentence

All topic sentences need a follow-up explanation. The very first point on this page was that too often students write paragraphs that are too short. To add what is called ‘depth’ to a paragraph, you can come up with two types of follow-up sentences: explanations and examples.

Let’s take explanation sentences first.

Explanation sentences give additional detail. They often provide one of the following services:

Let’s go back to our example of a paragraph on Climate change endangering polar bears. If your topic sentence is “Climate change is endangering polar bears.”, then your follow-up explanation sentence is likely to explain how, why, where, or when. You could say:

Ideal Essay Paragraph Structure Example: Writing Explanation Sentences 1. How: “The warming atmosphere is melting the polar ice caps.” 2. Why: “The polar bears’ habitats are shrinking every single year.” 3. Where: “This is happening in the Antarctic ice caps near Greenland.” 4. When: “Scientists first noticed the ice caps were shrinking in 1978.”

You don’t have to provide all four of these options each time.

But, if you’re struggling to think of what to add to your paragraph to add depth, consider one of these four options for a good quality explanation sentence.

>>>RELATED ARTICLE: SHOULD YOU USE RHETORICAL QUESTIONS IN ESSAYS ?

6. Your need to Include an Example

Examples matter! They add detail. They also help to show that you genuinely understand the issue. They show that you don’t just understand a concept in the abstract; you also understand how things work in real life.

Example sentences have the added benefit of personalising an issue. For example, after saying “Polar bears’ habitats are shrinking”, you could note specific habitats, facts and figures, or even a specific story about a bear who was impacted.

Ideal Essay Paragraph Structure Example: Writing an ‘Example’ Sentence “For example, 770,000 square miles of Arctic Sea Ice has melted in the past four decades, leading Polar Bear populations to dwindle ( National Geographic, 2018 )

In fact, one of the most effective politicians of our times – Barrack Obama – was an expert at this technique. He would often provide examples of people who got sick because they didn’t have healthcare to sell Obamacare.

What effect did this have? It showed the real-world impact of his ideas. It humanised him, and got him elected president – twice!

Be like Obama. Provide examples. Often.

7. All Paragraphs need Citations

Provide a reference to an academic source in every single body paragraph in the essay. The only two paragraphs where you don’t need a reference is the introduction and conclusion .

Let me repeat: Paragraphs need at least one reference to a quality scholarly source .

Let me go even further:

Students who get the best marks provide two references to two different academic sources in every paragraph.

Two references in a paragraph show you’ve read widely, cross-checked your sources, and given the paragraph real thought.

It’s really important that these references link to academic sources, not random websites, blogs or YouTube videos. Check out our Seven Best types of Sources to Cite in Essays post to get advice on what sources to cite. Number 6 w ill surprise you!

Ideal Essay Paragraph Structure Example: In-Text Referencing in Paragraphs Usually, in-text referencing takes the format: (Author, YEAR), but check your school’s referencing formatting requirements carefully. The ‘Author’ section is the author’s last name only. Not their initials. Not their first name. Just their last name . My name is Chris Drew. First name Chris, last name Drew. If you were going to reference an academic article I wrote in 2019, you would reference it like this: (Drew, 2019).

Where do you place those two references?

Place the first reference at the end of the first half of the paragraph. Place the second reference at the end of the second half of the paragraph.

This spreads the references out and makes it look like all the points throughout the paragraph are backed up by your sources. The goal is to make it look like you’ve reference regularly when your teacher scans through your work.

Remember, teachers can look out for signposts that indicate you’ve followed academic conventions and mentioned the right key ideas.

Spreading your referencing through the paragraph helps to make it look like you’ve followed the academic convention of referencing sources regularly.

Here are some examples of how to reference twice in a paragraph:

  • If your paragraph was six sentences long, you would place your first reference at the end of the third sentence and your second reference at the end of the sixth sentence.
  • If your paragraph was five sentences long, I would recommend placing one at the end of the second sentence and one at the end of the fifth sentence.

You’ve just read one of the key secrets to winning top marks.

8. Every Paragraph must be relevant to the Marking Criteria

Every paragraph must win you marks. When you’re editing your work, check through the piece to see if every paragraph is relevant to the marking criteria.

For the British: In the British university system (I’m including Australia and New Zealand here – I’ve taught at universities in all three countries), you’ll usually have a ‘marking criteria’. It’s usually a list of between two and six key learning outcomes your teacher needs to use to come up with your score. Sometimes it’s called a:

  • Marking criteria
  • Marking rubric
  • (Key) learning outcome
  • Indicative content

Check your assignment guidance to see if this is present. If so, use this list of learning outcomes to guide what you write. If your paragraphs are irrelevant to these key points, delete the paragraph .

Paragraphs that don’t link to the marking criteria are pointless. They won’t win you marks.

For the Americans: If you don’t have a marking criteria / rubric / outcomes list, you’ll need to stick closely to the essay question or topic. This goes out to those of you in the North American system. North America (including USA and Canada here) is often less structured and the professor might just give you a topic to base your essay on.

If all you’ve got is the essay question / topic, go through each paragraph and make sure each paragraph is relevant to the topic.

For example, if your essay question / topic is on “The Effects of Climate Change on Polar Bears”,

  • Don’t talk about anything that doesn’t have some connection to climate change and polar bears;
  • Don’t talk about the environmental impact of oil spills in the Gulf of Carpentaria;
  • Don’t talk about black bear habitats in British Columbia.
  • Do talk about the effects of climate change on polar bears (and relevant related topics) in every single paragraph .

You may think ‘stay relevant’ is obvious advice, but at least 20% of all essays I mark go off on tangents and waste words.

Stay on topic in Every. Single. Paragraph. If you want to learn more about how to stay on topic, check out our essay planning guide .

9. Only have one Key Idea per Paragraph

One key idea for each paragraph. One key idea for each paragraph. One key idea for each paragraph.

Don’t forget!

Too often, a student starts a paragraph talking about one thing and ends it talking about something totally different. Don’t be that student.

To ensure you’re focussing on one key idea in your paragraph, make sure you know what that key idea is. It should be mentioned in your topic sentence (see Point 3 ). Every other sentence in the paragraph adds depth to that one key idea.

If you’ve got sentences in your paragraph that are not relevant to the key idea in the paragraph, they don’t fit. They belong in another paragraph.

Go through all your paragraphs when editing your work and check to see if you’ve veered away from your paragraph’s key idea. If so, you might have two or even three key ideas in the one paragraph.

You’re going to have to get those additional key ideas, rip them out, and give them paragraphs of their own.

If you have more than one key idea in a paragraph you will lose marks. I promise you that.

The paragraphs will be too hard to read, your reader will get bogged down reading rather than scanning, and you’ll have lost grades.

10. Keep Sentences Short

If a sentence is too long it gets confusing. When the sentence is confusing, your reader will stop reading your work. They will stop reading the paragraph and move to the next one. They’ll have given up on your paragraph.

Short, snappy sentences are best.

Shorter sentences are easier to read and they make more sense. Too often, students think they have to use big, long, academic words to get the best marks. Wrong. Aim for clarity in every sentence in the paragraph. Your teacher will thank you for it.

The students who get the best marks write clear, short sentences.

When editing your draft, go through your essay and see if you can shorten your longest five sentences.

(To learn more about how to write the best quality sentences, see our page on Seven ways to Write Amazing Sentences .)

11. Keep Quotes Short

Eighty percent of university teachers hate quotes. That’s not an official figure. It’s my guestimate based on my many interactions in faculty lounges. Twenty percent don’t mind them, but chances are your teacher is one of the eight out of ten who hate quotes.

Teachers tend to be turned off by quotes because it makes it look like you don’t know how to say something on your own words.

Now that I’ve warned you, here’s how to use quotes properly:

Ideal Essay Paragraph Structure Example: How To Use Quotes in University-Level Essay Paragraphs 1. Your quote should be less than one sentence long. 2. Your quote should be less than one sentence long. 3. You should never start a sentence with a quote. 4. You should never end a paragraph with a quote. 5 . You should never use more than five quotes per essay. 6. Your quote should never be longer than one line in a paragraph.

The minute your teacher sees that your quote takes up a large chunk of your paragraph, you’ll have lost marks.

Your teacher will circle the quote, write a snarky comment in the margin, and not even bother to give you points for the key idea in the paragraph.

Avoid quotes, but if you really want to use them, follow those five rules above.

I’ve also provided additional pages outlining Seven tips on how to use Quotes if you want to delve deeper into how, when and where to use quotes in essays. Be warned: quoting in essays is harder than you thought.

The basic essay paragraph structure formula includes: 4-6 sentence paragraphs; a clear topic sentence; useful explanations and examples; a focus on one key idea only; and references to two different academic sources.

Follow the advice above and you’ll be well on your way to getting top marks at university.

Writing essay paragraphs that are well structured takes time and practice. Don’t be too hard on yourself and keep on trying!

Below is a summary of our 11 key mistakes for structuring essay paragraphs and tips on how to avoid them.

I’ve also provided an easy-to-share infographic below that you can share on your favorite social networking site. Please share it if this article has helped you out!

11 Biggest Essay Paragraph Structure Mistakes you’re probably Making

1.  Your paragraphs are too short 2.  Your paragraphs are too long 3.  Your paragraph alignment is ‘Justified’ 4.  Your paragraphs are missing a topic sentence 5 .  Your paragraphs are missing an explanation sentence 6.  Your paragraphs are missing an example 7.  Your paragraphs are missing references 8.  Your paragraphs are not relevant to the marking criteria 9.  You’re trying to fit too many ideas into the one paragraph 10.  Your sentences are too long 11.  Your quotes are too long

Chris

  • Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd/ 101 Hidden Talents Examples
  • Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd/ 15 Green Flags in a Relationship
  • Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd/ 15 Signs you're Burnt Out, Not Lazy
  • Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd/ 15 Toxic Things Parents Say to their Children

4 thoughts on “11 Rules for Essay Paragraph Structure (with Examples)”

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Hello there. I noticed that throughout this article on Essay Writing, you keep on saying that the teacher won’t have time to go through the entire essay. Don’t you think this is a bit discouraging that with all the hard work and time put into your writing, to know that the teacher will not read through the entire paper?

' src=

Hi Clarence,

Thanks so much for your comment! I love to hear from readers on their thoughts.

Yes, I agree that it’s incredibly disheartening.

But, I also think students would appreciate hearing the truth.

Behind closed doors many / most university teachers are very open about the fact they ‘only have time to skim-read papers’. They regularly bring this up during heated faculty meetings about contract negotiations! I.e. in one university I worked at, we were allocated 45 minutes per 10,000 words – that’s just over 4 minutes per 1,000 word essay, and that’d include writing the feedback, too!

If students know the truth, they can better write their essays in a way that will get across the key points even from a ‘skim-read’.

I hope to write candidly on this website – i.e. some of this info will never be written on university blogs because universities want to hide these unfortunate truths from students.

Thanks so much for stopping by!

Regards, Chris

' src=

This is wonderful and helpful, all I say is thank you very much. Because I learned a lot from this site, own by chris thank you Sir.

' src=

Thank you. This helped a lot.

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How to Write a Good Topic Sentence

Last Updated: June 26, 2024 Fact Checked

This article was co-authored by Megan Morgan, PhD . Megan Morgan is a Graduate Program Academic Advisor in the School of Public & International Affairs at the University of Georgia. She earned her PhD in English from the University of Georgia in 2015. There are 10 references cited in this article, which can be found at the bottom of the page. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 2,252,772 times.

Perfecting the skill of writing topic sentences is essential to successful writing. A topic sentence usually comes at the beginning of a paragraph and lets your reader know what to expect from each paragraph. Think of it as the preview for a movie or a headline in a newspaper, highlighting the “main point” that’s to come in that paragraph. [1] X Research source Make sure your topic sentences are up to par, and the rest of your writing will feel like a breeze.

Writing a Successful Topic Sentence

Step 1 State your main idea clearly.

  • Keep in mind that this is not an invitation to simply announce your topic. “Today I’m going to discuss the benefits of gardening” is not an effective topic sentence. You should be able to make your intentions clear without stating them explicitly.
  • The topic sentence in this example states a clear direction (“health benefits of gardening”) that you can then elaborate on in your paragraph.

Step 2 Balance the topic sentence between specifics and general ideas.

  • Don’t write too vague or general an idea or you will never be able to discuss it in a single paragraph. This is too general: “The United States suffered a lot during the Civil War.”
  • Don’t write too narrow of a statement. There’s nothing much to talk about then, because it’s probably a fact. This is too narrow: “Christmas trees are either cedars or firs."
  • Instead, aim for a good balance: “Sherman’s destruction in the South during the Civil War also caused incredible suffering.” This is big enough to relate to the broader idea of an essay, but not so narrow that there’s nothing left to discuss.

Step 3 Hook your reader.

  • Describe a character. This can be a physical or emotional description.
  • Use dialogue. If there is a relevant conversation that will attract your reader’s attention, consider using part of it to start your paragraph.
  • Portray an emotion. Use the opening sentence to portray an emotion to your reader.
  • Use detail. While you don’t want to write a run on sentence by creating too much detail, it’s a good idea to create interest using sensory language in your topic sentence.
  • Avoid rhetorical questions. While you want your reader to formulate questions in his or her mind, you do not want to formulate the questions yourself.

Step 4 Keep it short and sweet.

  • Avoid presenting only facts in your topic sentence. While facts may be interesting, they do not introduce the reader to your paragraph nor do they draw the reader in. If you wish to include a fact, also include your own input. For example, instead of writing “All dogs need food,” try “All dogs need regular care, including healthy food, and children are the best ones to do it.” Alternatively, save your facts to use as evidence in the body of your paragraph.

Step 6 Use the topic sentence as a transition.

  • Using transitional elements, such as “In addition” or “In contrast,” is a good way to show the relationship between your ideas.
  • For example: “Although gardening has many health benefits, people still need to exercise caution when outside.” This topic sentence establishes a connection to the main idea of the previous paragraph (“health benefits of gardening”) and points to the direction of the new paragraph (“things to be cautious of”).

Planning Your Topic Sentences

Step 1  Write an...

  • You don’t have to write a formal outline using Roman numerals and the like. Even a loose, idea-based outline can help you know what you want to discuss.

Step 2 Understand the connection...

  • A topic sentence, unlike a thesis statement, doesn’t have to present an argument. It can present a “preview” of what the paragraph will argue or discuss.

Step 3 Look at some examples.

  • For example, a topic sentence could look like this: “In addition, increasing funding for public roads in Jackson County will improve local residents’ quality of life.” The rest of the sentences in this paragraph would relate to the main idea of public roads and how they will help benefit local residents.
  • This is not as successful a topic sentence: “Increased funding for public roads in Jackson County has decreased traffic by 20%.” While this is probably an interesting fact for your argument, it’s too narrow for a topic sentence. The topic sentence has to direct the whole paragraph.

Avoiding Common Problems

Step 1 Avoid introducing yourself.

  • Unless it is an opinion piece, avoid using ‘I’ in your topic sentences.

Step 2 Make sure your wording is clear.

  • Rather than stating something like “In the story, Amelia did many good things such as help out her friends, talk to her parents, and support her team at school” say something like “As a result of the many activities Amelia participated in, she was recognized for her positive influence on the community.”

Step 4 Avoid starting with a quote.

Sample Topic Sentences

how many topic sentences does an essay have

Community Q&A

Community Answer

  • Avoid using words like you or we because it implies you know the reader, which you don’t. Thanks Helpful 0 Not Helpful 0
  • In formal writing, avoid contractions such as “don’t,” “can’t,” and “isn’t.” Also avoid other common contractions like “would’ve” and “could’ve” which are commonly used. Instead type them out to look like “do not,” “can not”, “is not”, “would have”, and “could have.” Thanks Helpful 0 Not Helpful 0
  • Type out all numbers under a ten. Thanks Helpful 0 Not Helpful 0

how many topic sentences does an essay have

You Might Also Like

Improve Your Writing Skills

  • ↑ http://www.writing.utoronto.ca/advice/planning-and-organizing/topic-sentences
  • ↑ https://wts.indiana.edu/writing-guides/paragraphs-and-topic-sentences.html
  • ↑ https://owl.purdue.edu/owl/general_writing/academic_writing/paragraphs_and_paragraphing/index.html
  • ↑ https://stlcc.edu/student-support/academic-success-and-tutoring/writing-center/writing-resources/topic-sentence-paragraph.aspx
  • ↑ https://academicguides.waldenu.edu/writingcenter/paragraphs/topicsentences
  • ↑ https://www.rit.edu/ntid/sea/processes/paragraph/process/sentence
  • ↑ https://academicguides.waldenu.edu/writingcenter/writingprocess/outlining
  • ↑ https://www.touro.edu/departments/writing-center/tutorials/topic-sentence/
  • ↑ https://owl.english.purdue.edu/engagement/2/2/57/
  • ↑ http://writingcenter.unc.edu/handouts/paragraphs/

About This Article

Megan Morgan, PhD

If you’re trying to write a good topic sentence, start by clearly stating your main idea, which should include the topic and the position you’re taking on it. Aim to write a sentence that’s broad enough for discussion but narrow enough to be covered in a single paragraph. If you can, start with a hook, like a detail, character, or emotion that would draw in your readers. For more advice from our reviewer on writing a good topic sentence, like how to make it effective while keeping it short and sweet, read on! Did this summary help you? Yes No

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Purdue Online Writing Lab Purdue OWL® College of Liberal Arts

On Paragraphs

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What is a paragraph?

A paragraph is a collection of related sentences dealing with a single topic. Learning to write good paragraphs will help you as a writer stay on track during your drafting and revision stages. Good paragraphing also greatly assists your readers in following a piece of writing. You can have fantastic ideas, but if those ideas aren't presented in an organized fashion, you will lose your readers (and fail to achieve your goals in writing).

The Basic Rule: Keep one idea to one paragraph

The basic rule of thumb with paragraphing is to keep one idea to one paragraph. If you begin to transition into a new idea, it belongs in a new paragraph. There are some simple ways to tell if you are on the same topic or a new one. You can have one idea and several bits of supporting evidence within a single paragraph. You can also have several points in a single paragraph as long as they relate to the overall topic of the paragraph. If the single points start to get long, then perhaps elaborating on each of them and placing them in their own paragraphs is the route to go.

Elements of a paragraph

To be as effective as possible, a paragraph should contain each of the following: Unity, Coherence, A Topic Sentence, and Adequate Development. As you will see, all of these traits overlap. Using and adapting them to your individual purposes will help you construct effective paragraphs.

The entire paragraph should concern itself with a single focus. If it begins with one focus or major point of discussion, it should not end with another or wander within different ideas.

Coherence is the trait that makes the paragraph easily understandable to a reader. You can help create coherence in your paragraphs by creating logical bridges and verbal bridges.

Logical bridges

  • The same idea of a topic is carried over from sentence to sentence
  • Successive sentences can be constructed in parallel form

Verbal bridges

  • Key words can be repeated in several sentences
  • Synonymous words can be repeated in several sentences
  • Pronouns can refer to nouns in previous sentences
  • Transition words can be used to link ideas from different sentences

A topic sentence

A topic sentence is a sentence that indicates in a general way what idea or thesis the paragraph is going to deal with. Although not all paragraphs have clear-cut topic sentences, and despite the fact that topic sentences can occur anywhere in the paragraph (as the first sentence, the last sentence, or somewhere in the middle), an easy way to make sure your reader understands the topic of the paragraph is to put your topic sentence near the beginning of the paragraph. (This is a good general rule for less experienced writers, although it is not the only way to do it). Regardless of whether you include an explicit topic sentence or not, you should be able to easily summarize what the paragraph is about.

Adequate development

The topic (which is introduced by the topic sentence) should be discussed fully and adequately. Again, this varies from paragraph to paragraph, depending on the author's purpose, but writers should be wary of paragraphs that only have two or three sentences. It's a pretty good bet that the paragraph is not fully developed if it is that short.

Some methods to make sure your paragraph is well-developed:

  • Use examples and illustrations
  • Cite data (facts, statistics, evidence, details, and others)
  • Examine testimony (what other people say such as quotes and paraphrases)
  • Use an anecdote or story
  • Define terms in the paragraph
  • Compare and contrast
  • Evaluate causes and reasons
  • Examine effects and consequences
  • Analyze the topic
  • Describe the topic
  • Offer a chronology of an event (time segments)

How do I know when to start a new paragraph?

You should start a new paragraph when:

  • When you begin a new idea or point. New ideas should always start in new paragraphs. If you have an extended idea that spans multiple paragraphs, each new point within that idea should have its own paragraph.
  • To contrast information or ideas. Separate paragraphs can serve to contrast sides in a debate, different points in an argument, or any other difference.
  • When your readers need a pause. Breaks between paragraphs function as a short "break" for your readers—adding these in will help your writing be more readable. You would create a break if the paragraph becomes too long or the material is complex.
  • When you are ending your introduction or starting your conclusion. Your introductory and concluding material should always be in a new paragraph. Many introductions and conclusions have multiple paragraphs depending on their content, length, and the writer's purpose.

Transitions and signposts

Two very important elements of paragraphing are signposts and transitions. Signposts are internal aids to assist readers; they usually consist of several sentences or a paragraph outlining what the article has covered and where the article will be going.

Transitions are usually one or several sentences that "transition" from one idea to the next. Transitions can be used at the end of most paragraphs to help the paragraphs flow one into the next.

Anatomy of a Body Paragraph

TOPIC SENTENCE/ In his numerous writings, Marx critiques capitalism by identifying its flaws. ANALYSIS OF EVIDENCE/ By critiquing the political economy and capitalism, Marx implores his reader to think critically about their position in society and restores awareness in the proletariat class. EVIDENCE/ To Marx, capitalism is a system characterized by the “exploitation of the many by the few,” in which workers accept the exploitation of their labor and receive only harm of “alienation,” rather than true benefits ( MER 487). He writes that “labour produces for the rich wonderful things – but for the worker it produces privation. It produces palaces—but for the worker, hovels. It produces beauty—but for the worker, deformity” (MER 73). Marx argues capitalism is a system in which the laborer is repeatedly harmed and estranged from himself, his labor, and other people, while the owner of his labor – the capitalist – receives the benefits ( MER 74). And while industry progresses, the worker “sinks deeper and deeper below the conditions of existence of his own class” ( MER 483).  ANALYSIS OF EVIDENCE/ But while Marx critiques the political economy, he does not explicitly say “capitalism is wrong.” Rather, his close examination of the system makes its flaws obvious. Only once the working class realizes the flaws of the system, Marx believes, will they - must they - rise up against their bourgeois masters and achieve the necessary and inevitable communist revolution.

Not every paragraph will be structured exactly like this one, of course. But as you draft your own paragraphs, look for all three of these elements: topic sentence, evidence, and analysis.

  • picture_as_pdf Anatomy Of a Body Paragraph

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Topic Sentences

Pick up any newspaper or magazine and read the first sentence of an article. Are you fairly confident that you know what the rest of the article is about? If so, you have likely read the topic sentence. An effective topic sentence combines a subject with the writer’s position on that subject or claim about it. It serves to orient the reader and provides an indication of what will follow in the rest of the paragraph. Example:

This topic sentence declares a position in favor of standardizing math and English education. After reading this sentence, a reader might reasonably expect the writer to provide supporting details and facts as to why standardizing math and English education might improve student learning in many states. If the purpose of the essay is actually to evaluate education in only one particular state, or to discuss math or English education specifically, then the topic sentence is misleading and should be revised to say so.

Subject Versus Claim

Good topic sentences contain both a subject (the overall matter, issue, or field of inquiry) and a claim (the writer’s specific point about the subject, or position on it). Different writers may use the same subject but can steer their paragraph in a number of different directions according to their claim, or stance on the subject. Examples:

  • Marijuana is a destructive influence on teens and causes long-term brain damage.
  • The anti-nausea properties in marijuana are a lifeline for many cancer patients.
  • Legalizing marijuana would create a higher demand for Class A and Class B drugs.

Although the subject—marijuana—is the same in all three topic sentences, the claim differs depending on the writer’s viewpoint. For instance, in the first sentence, the claim about marijuana is that it “is a destructive influence on teens and causes long-term brain damage.”

Separately identify the subject and the claim about it in each of the following topic sentences:

1. Exercising three times a week is the only way to maintain good physical health.

2. Sexism and racism are still rampant in today’s workplace.

3. Raising the legal driving age to twenty-one would decrease road traffic accidents.

4. Owning a business is the only way to achieve financial success.

5. Dog owners should be prohibited from taking their pets on public beaches.

Characteristics of a Good Topic Sentence

The following are characteristics good topic sentences:

  • A good topic sentence provides an accurate indication of what will follow in the rest of the paragraph.

Weak example. People rarely give firefighters the credit they deserve for such a physically and emotionally demanding job. (The paragraph is about a specific incident that involved firefighters; therefore, this topic sentence is too general.)

Stronger example. During the October riots, Unit 3B went beyond the call of duty. (This topic sentence is more specific and indicates that the paragraph will contain information about a particular incident involving Unit 3B.)

  • A good topic sentence contains both a subject and claim.

Weak example. In this paper, I am going to discuss the rising suicide rate among young professionals. (This topic sentence provides a subject, but it does not present a claim.)

Stronger example. The rising suicide rate among young professionals should become a higher priority among the concerns of human resource departments. (This topic sentence presents the writer’s claim on the subject of rising suicide rates among young professionals.)

  • A good topic sentence is clear and easy to follow.

Weak example. In general, writing an essay, thesis, or other academic or nonacademic document is considerably easier and of much higher quality if you first construct an outline, of which there are many different types. (This topic sentence includes a subject and claim, but both are buried beneath the confusing sentence structure and unnecessary vocabulary. These obstacles make it difficult for the reader to follow.)

Stronger example. Most forms of writing can be improved by first creating an outline. (This topic sentence cuts out unnecessary words and simplifies the previous statement, making it easier for the reader to follow.)

  • A good topic sentence does not include supporting details.

Weak example. Salaries should be capped in baseball for many reasons, most importantly so we don’t allow the teams with budgets that exceed their competitors by four or five times to have such an extreme advantage year after year. (This topic sentence includes a supporting detail that should be included later in the paragraph to support the main point.)

Stronger example. Introducing a salary cap would improve the game of baseball for many reasons. (This topic sentence omits the additional supporting detail so that it can be expanded upon later in the paragraph.)

Choose the most effective topic sentence from the following sentence pairs.

1. Which is the more effective topic sentence?

a. This paper will discuss the likelihood of the Democrats winning the next election.

b. To boost their chances of winning the next election, the Democrats need to listen to public opinion.

2. Which is the more effective topic sentence?

a. The unrealistic demands of union workers are crippling the economy for the following three reasons.

b. Union workers are crippling the economy because companies are unable to remain competitive as a result of added financial pressure, which in turn forces companies trying to survive to relocate overseas where non-union wages can be half or in some cases less than half of union wages.

3. Which is the more effective topic sentence?

a. Major companies are stealing back digital content that customers purchased, which is destroying the very concept of ownership.

b. Technology is having drastic effects on how companies deal with digital sales nowadays.

4. Which is the more effective topic sentence?

a. Pop music has lost the genuine heart and superb artistry that it displayed in the past.

b. This essay will consider the quality of pop music.

Using the tips on developing effective topic sentences in this section, create a topic sentence on each of the following subjects. Remember to include the subject as well as the claim.

An endangered species

____________________________________________

The cost of fuel

The legal drinking age

A controversial film or novel

The Writing Textbook Copyright © 2021 by Josh Woods, editor and contributor, as well as an unnamed author (by request from the original publisher), and other authors named separately is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License , except where otherwise noted.

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  • How to write an essay introduction | 4 steps & examples

How to Write an Essay Introduction | 4 Steps & Examples

Published on February 4, 2019 by Shona McCombes . Revised on July 23, 2023.

A good introduction paragraph is an essential part of any academic essay . It sets up your argument and tells the reader what to expect.

The main goals of an introduction are to:

  • Catch your reader’s attention.
  • Give background on your topic.
  • Present your thesis statement —the central point of your essay.

This introduction example is taken from our interactive essay example on the history of Braille.

The invention of Braille was a major turning point in the history of disability. The writing system of raised dots used by visually impaired people was developed by Louis Braille in nineteenth-century France. In a society that did not value disabled people in general, blindness was particularly stigmatized, and lack of access to reading and writing was a significant barrier to social participation. The idea of tactile reading was not entirely new, but existing methods based on sighted systems were difficult to learn and use. As the first writing system designed for blind people’s needs, Braille was a groundbreaking new accessibility tool. It not only provided practical benefits, but also helped change the cultural status of blindness. This essay begins by discussing the situation of blind people in nineteenth-century Europe. It then describes the invention of Braille and the gradual process of its acceptance within blind education. Subsequently, it explores the wide-ranging effects of this invention on blind people’s social and cultural lives.

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Table of contents

Step 1: hook your reader, step 2: give background information, step 3: present your thesis statement, step 4: map your essay’s structure, step 5: check and revise, more examples of essay introductions, other interesting articles, frequently asked questions about the essay introduction.

Your first sentence sets the tone for the whole essay, so spend some time on writing an effective hook.

Avoid long, dense sentences—start with something clear, concise and catchy that will spark your reader’s curiosity.

The hook should lead the reader into your essay, giving a sense of the topic you’re writing about and why it’s interesting. Avoid overly broad claims or plain statements of fact.

Examples: Writing a good hook

Take a look at these examples of weak hooks and learn how to improve them.

  • Braille was an extremely important invention.
  • The invention of Braille was a major turning point in the history of disability.

The first sentence is a dry fact; the second sentence is more interesting, making a bold claim about exactly  why the topic is important.

  • The internet is defined as “a global computer network providing a variety of information and communication facilities.”
  • The spread of the internet has had a world-changing effect, not least on the world of education.

Avoid using a dictionary definition as your hook, especially if it’s an obvious term that everyone knows. The improved example here is still broad, but it gives us a much clearer sense of what the essay will be about.

  • Mary Shelley’s  Frankenstein is a famous book from the nineteenth century.
  • Mary Shelley’s Frankenstein is often read as a crude cautionary tale about the dangers of scientific advancement.

Instead of just stating a fact that the reader already knows, the improved hook here tells us about the mainstream interpretation of the book, implying that this essay will offer a different interpretation.

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Next, give your reader the context they need to understand your topic and argument. Depending on the subject of your essay, this might include:

  • Historical, geographical, or social context
  • An outline of the debate you’re addressing
  • A summary of relevant theories or research about the topic
  • Definitions of key terms

The information here should be broad but clearly focused and relevant to your argument. Don’t give too much detail—you can mention points that you will return to later, but save your evidence and interpretation for the main body of the essay.

How much space you need for background depends on your topic and the scope of your essay. In our Braille example, we take a few sentences to introduce the topic and sketch the social context that the essay will address:

Now it’s time to narrow your focus and show exactly what you want to say about the topic. This is your thesis statement —a sentence or two that sums up your overall argument.

This is the most important part of your introduction. A  good thesis isn’t just a statement of fact, but a claim that requires evidence and explanation.

The goal is to clearly convey your own position in a debate or your central point about a topic.

Particularly in longer essays, it’s helpful to end the introduction by signposting what will be covered in each part. Keep it concise and give your reader a clear sense of the direction your argument will take.

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As you research and write, your argument might change focus or direction as you learn more.

For this reason, it’s often a good idea to wait until later in the writing process before you write the introduction paragraph—it can even be the very last thing you write.

When you’ve finished writing the essay body and conclusion , you should return to the introduction and check that it matches the content of the essay.

It’s especially important to make sure your thesis statement accurately represents what you do in the essay. If your argument has gone in a different direction than planned, tweak your thesis statement to match what you actually say.

To polish your writing, you can use something like a paraphrasing tool .

You can use the checklist below to make sure your introduction does everything it’s supposed to.

Checklist: Essay introduction

My first sentence is engaging and relevant.

I have introduced the topic with necessary background information.

I have defined any important terms.

My thesis statement clearly presents my main point or argument.

Everything in the introduction is relevant to the main body of the essay.

You have a strong introduction - now make sure the rest of your essay is just as good.

  • Argumentative
  • Literary analysis

This introduction to an argumentative essay sets up the debate about the internet and education, and then clearly states the position the essay will argue for.

The spread of the internet has had a world-changing effect, not least on the world of education. The use of the internet in academic contexts is on the rise, and its role in learning is hotly debated. For many teachers who did not grow up with this technology, its effects seem alarming and potentially harmful. This concern, while understandable, is misguided. The negatives of internet use are outweighed by its critical benefits for students and educators—as a uniquely comprehensive and accessible information source; a means of exposure to and engagement with different perspectives; and a highly flexible learning environment.

This introduction to a short expository essay leads into the topic (the invention of the printing press) and states the main point the essay will explain (the effect of this invention on European society).

In many ways, the invention of the printing press marked the end of the Middle Ages. The medieval period in Europe is often remembered as a time of intellectual and political stagnation. Prior to the Renaissance, the average person had very limited access to books and was unlikely to be literate. The invention of the printing press in the 15th century allowed for much less restricted circulation of information in Europe, paving the way for the Reformation.

This introduction to a literary analysis essay , about Mary Shelley’s Frankenstein , starts by describing a simplistic popular view of the story, and then states how the author will give a more complex analysis of the text’s literary devices.

Mary Shelley’s Frankenstein is often read as a crude cautionary tale. Arguably the first science fiction novel, its plot can be read as a warning about the dangers of scientific advancement unrestrained by ethical considerations. In this reading, and in popular culture representations of the character as a “mad scientist”, Victor Frankenstein represents the callous, arrogant ambition of modern science. However, far from providing a stable image of the character, Shelley uses shifting narrative perspectives to gradually transform our impression of Frankenstein, portraying him in an increasingly negative light as the novel goes on. While he initially appears to be a naive but sympathetic idealist, after the creature’s narrative Frankenstein begins to resemble—even in his own telling—the thoughtlessly cruel figure the creature represents him as.

If you want to know more about AI tools , college essays , or fallacies make sure to check out some of our other articles with explanations and examples or go directly to our tools!

  • Ad hominem fallacy
  • Post hoc fallacy
  • Appeal to authority fallacy
  • False cause fallacy
  • Sunk cost fallacy

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Your essay introduction should include three main things, in this order:

  • An opening hook to catch the reader’s attention.
  • Relevant background information that the reader needs to know.
  • A thesis statement that presents your main point or argument.

The length of each part depends on the length and complexity of your essay .

The “hook” is the first sentence of your essay introduction . It should lead the reader into your essay, giving a sense of why it’s interesting.

To write a good hook, avoid overly broad statements or long, dense sentences. Try to start with something clear, concise and catchy that will spark your reader’s curiosity.

A thesis statement is a sentence that sums up the central point of your paper or essay . Everything else you write should relate to this key idea.

The thesis statement is essential in any academic essay or research paper for two main reasons:

  • It gives your writing direction and focus.
  • It gives the reader a concise summary of your main point.

Without a clear thesis statement, an essay can end up rambling and unfocused, leaving your reader unsure of exactly what you want to say.

The structure of an essay is divided into an introduction that presents your topic and thesis statement , a body containing your in-depth analysis and arguments, and a conclusion wrapping up your ideas.

The structure of the body is flexible, but you should always spend some time thinking about how you can organize your essay to best serve your ideas.

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COMMENTS

  1. How to Write Topic Sentences

    Step 2: Make an essay outline and draft topic sentences. Next, you should make an outline of your essay's structure, planning what you want to say in each paragraph and what evidence you'll use. At this stage, you can draft a topic sentence that sums up the main point you want to make in each paragraph. The topic sentences should be more ...

  2. How to Write a Topic Sentence (30+ Tips & Examples)

    Tip #1: State the Main Idea Clearly. Make sure your topic sentence introduces the primary idea succinctly. Avoid vague language or cluttered wording. Your reader should immediately understand the topic. Example: Clear: "Recycling programs reduce landfill waste by promoting reusable packaging.".

  3. Topic Sentences: How Do You Write a Great One?

    A topic sentence, usually the first sentence in a paragraph, introduces the main idea of that paragraph and sets its tone. A topic sentence is especially important in essays, where topics change from paragraph to paragraph. This makes knowing how to write a topic sentence crucial for any student or writer.

  4. Topic Sentences and Signposting

    Topic sentences and signposts make an essay's claims clear to a reader. Good essays contain both. Topic sentences reveal the main point of a paragraph. They show the relationship of each paragraph to the essay's thesis, telegraph the point of a paragraph, and tell your reader what to expect in the paragraph that follows. Topic sentences also ...

  5. How to Write a Strong Topic Sentence + Examples

    Step 3: Make your essay outline. Once you have the points you want to make within your thesis statement hammered out, make an outline for your essay. This is where you'll start to create your topic sentence for each paragraph. You want to clearly state the main idea of that paragraph in the very first sentence.

  6. Essay Structure: The 3 Main Parts of an Essay

    Basic essay structure: the 3 main parts of an essay. Almost every single essay that's ever been written follows the same basic structure: Introduction. Body paragraphs. Conclusion. This structure has stood the test of time for one simple reason: It works. It clearly presents the writer's position, supports that position with relevant ...

  7. What is a Topic Sentence? (Definition, Examples, How to Use)

    A topic sentence, the first sentence of a paragraph, presents the main concept discussed in the paragraph. It must contain sufficient information to support numerous examples and subtopics without being too broad to obscure the essay's intended purpose. The remaining sentences in the paragraph will act as supporting statements, providing ...

  8. Paragraphs & Topic Sentences

    A well-organized paragraph supports or develops a single controlling idea, which is expressed in a sentence called the topic sentence. A topic sentence has several important functions: it substantiates or supports an essay's thesis statement; it unifies the content of a paragraph and directs the order of the sentences; and it advises the ...

  9. Topic Sentences

    The topic sentence does not have to be the first sentence in the paragraph; however, it should come early in the paragraph in order to orient the reader to the paragraph's focus right away. Occasionally a writer may place a transition sentence before the topic sentence, to create continuity between topics. Topic Sentence to begin paragraph:

  10. 10 Effective Topic Sentence Examples for Engaging Essays

    For example, if you are writing an essay about domestic violence, your topic sentence could be: 1 in 4 men have experienced domestic violence from a partner. That is an interesting fact that most people do not know since most domestic violence information focuses on violence against women. However, it is just a fact.

  11. Topic Sentences & Paragraph Development

    At the beginning. In many writing situations, the author places the topic sentence at the beginning of the paragraph. Readers often expect cues related to the paragraph's focus, claim, and main idea. In this position, the topic sentence makes an initial point and the remainder of the paragraph provides relevant supporting details. In the middle.

  12. Topic Sentence Definition, Examples, and Guidelines

    Updated on February 12, 2020. A topic sentence is a sentence, sometimes at the beginning of a paragraph, that states or suggests the main idea (or topic) of a paragraph. Not all paragraphs begin with topic sentences. In some, the topic sentence appears in the middle or at the end. In others, the topic sentence is implied or absent altogether.

  13. How Many Paragraphs Should an Essay Have?

    As a rule, five paragraphs should suffice for a 1,000-word essay. As long as you have an introduction and a conclusion and provide enough supporting details for the main ideas in your body paragraphs, you should be good to go. Remember to start a new paragraph when introducing new ideas or presenting contrasting information.

  14. 11 Rules for Essay Paragraph Structure (with Examples)

    8. All paragraphs need to be relevant to the marking criteria. 9. Only include one key idea per paragraph. 10. Keep sentences short. 11. Keep quotes short. Paragraph structure is one of the most important elements of getting essay writing right.

  15. How to Write a Good Topic Sentence: 14 Steps (with Pictures)

    1. Avoid introducing yourself. Although topic sentences vary in structure and content from person to person, at least two things can be assumed about your paper: 1) that you have a title and entire paper to introduce a topic, and 2) your personal information is present somewhere on your essay.

  16. On Paragraphs

    A topic sentence is a sentence that indicates in a general way what idea or thesis the paragraph is going to deal with. Although not all paragraphs have clear-cut topic sentences, and despite the fact that topic sentences can occur anywhere in the paragraph (as the first sentence, the last sentence, or somewhere in the middle), an easy way to ...

  17. Anatomy of a Body Paragraph

    First, a strong topic sentence makes a claim or states a main idea that is then developed in the rest of the paragraph. Second, the topic sentence signals to readers how the paragraph is connected to the larger argument in your paper. Below is an example of a topic sentence from a paper by Laura Connor '23 that analyzes rhetoric used by ...

  18. Topic Sentences

    Exercise 1. Separately identify the subject and the claim about it in each of the following topic sentences: 1. Exercising three times a week is the only way to maintain good physical health. Subject: Claim: 2. Sexism and racism are still rampant in today's workplace. Subject:

  19. How Long is an Essay? Guidelines for Different Types of Essay

    Essay length guidelines. Type of essay. Average word count range. Essay content. High school essay. 300-1000 words. In high school you are often asked to write a 5-paragraph essay, composed of an introduction, three body paragraphs, and a conclusion. College admission essay. 200-650 words.

  20. How to Structure an Essay

    The basic structure of an essay always consists of an introduction, a body, and a conclusion. But for many students, the most difficult part of structuring an essay is deciding how to organize information within the body. This article provides useful templates and tips to help you outline your essay, make decisions about your structure, and ...

  21. How to Write an Argumentative Essay

    Your research should lead you to develop a specific position on the topic. The essay then argues for that position and aims to convince the reader by presenting your evidence, evaluation and analysis. ... A topic sentence sums up the main point of each paragraph. Use topic sentences to structure your ideas and keep your paragraphs focused. 1144.

  22. How to Write an Expository Essay

    The structure of your expository essay will vary according to the scope of your assignment and the demands of your topic. It's worthwhile to plan out your structure before you start, using an essay outline. A common structure for a short expository essay consists of five paragraphs: An introduction, three body paragraphs, and a conclusion.

  23. How to Write an Essay Introduction

    Step 1: Hook your reader. Step 2: Give background information. Step 3: Present your thesis statement. Step 4: Map your essay's structure. Step 5: Check and revise. More examples of essay introductions. Other interesting articles. Frequently asked questions about the essay introduction.