How to Avoid Run On Sentences: A Complete Guide with 100 Examples


Run-on sentences weaken your writing by making ideas confusing. Learning how to avoid run on sentences improves clarity, grammar, and readability. This guide explains the causes of run-ons, practical methods to fix them, and provides 100 easy examples with meanings. Essential tips and FAQs make it especially useful for students and competitive exam candidates.

Introduction to How to Avoid Run On Sentences

Writing without grammar mistakes is key to effective communication. One common error is using run-on sentences. In this article, we will explain how to avoid run on sentences with practical examples, tips for students and exam candidates, and easy solutions to make your writing clear, professional, and correct.

What Are Run-On Sentences?

A run-on sentence happens when two or more independent clauses are joined without correct punctuation or connecting words. This makes the sentence confusing and grammatically wrong.

Example of a run-on:

  • I love reading I don’t like noisy places.

Corrected:

  • I love reading, but I don’t like noisy places.

Important Tips on How to Avoid Run On Sentences

  1. Use a period (.) to separate complete ideas.
  2. Add a comma + conjunction (and, but, so, yet, or) to connect clauses.
  3. Use a semicolon (;) for closely related independent clauses.
  4. Restructure into shorter sentences for clarity.
  5. Use transition words such as “however,” “therefore,” or “moreover.”

100 Examples of How to Avoid Run On Sentences (with Meanings)

1–20: Using Periods

  1. Run-on: I like apples I eat them daily.
    Correct: I like apples. I eat them daily.
    Meaning: Two independent ideas, now separated clearly.
  2. Run-on: He is a teacher he lives in Delhi.
    Correct: He is a teacher. He lives in Delhi.
    Meaning: Identifies profession and location separately.
  3. Run-on: She runs fast she wins races often.
    Correct: She runs fast. She wins races often.
    Meaning: Explains speed and success.
  4. Run-on: I missed the bus I walked to school.
    Correct: I missed the bus. I walked to school.
    Meaning: Shows cause and result.
  5. Run-on: The sun is hot we need water.
    Correct: The sun is hot. We need water.
    Meaning: Heat and thirst explained.
  6. Run-on: I play cricket I also watch matches.
    Correct: I play cricket. I also watch matches.
    Meaning: Two hobbies separated.
  7. Run-on: They bought a car it is red.
    Correct: They bought a car. It is red.
    Meaning: Purchase and description given.
  8. Run-on: We met yesterday we talked for hours.
    Correct: We met yesterday. We talked for hours.
    Meaning: Meeting and chatting separated.
  9. Run-on: He reads books he enjoys history.
    Correct: He reads books. He enjoys history.
    Meaning: Reading habit and interest clarified.
  10. Run-on: She sings beautifully she dances too.
    Correct: She sings beautifully. She dances too.
    Meaning: Two talents listed.
  11. Run-on: I lost my pen I found it later.
    Correct: I lost my pen. I found it later.
    Meaning: Problem and solution shown.
  12. Run-on: They are my neighbors they are kind.
    Correct: They are my neighbors. They are kind.
    Meaning: Relationship and quality described.
  13. Run-on: The train was late we waited patiently.
    Correct: The train was late. We waited patiently.
    Meaning: Delay and reaction explained.
  14. Run-on: I finished homework I went outside.
    Correct: I finished homework. I went outside.
    Meaning: Task and action clarified.
  15. Run-on: She is tall she plays basketball.
    Correct: She is tall. She plays basketball.
    Meaning: Attribute and sport connected.
  16. Run-on: The dog barked the cat ran away.
    Correct: The dog barked. The cat ran away.
    Meaning: Cause and effect shown.
  17. Run-on: I cooked dinner my family enjoyed it.
    Correct: I cooked dinner. My family enjoyed it.
    Meaning: Effort and result clarified.
  18. Run-on: He wrote a letter he posted it.
    Correct: He wrote a letter. He posted it.
    Meaning: Two related actions separated.
  19. Run-on: We visited the park we took photos.
    Correct: We visited the park. We took photos.
    Meaning: Visit and activity described.
  20. Run-on: She painted a picture it looked beautiful.
    Correct: She painted a picture. It looked beautiful.
    Meaning: Work and outcome explained.

21–40: Using Comma + Conjunction

  1. Run-on: I like coffee I don’t like tea.
    Correct: I like coffee, but I don’t like tea.
    Meaning: Contrast shown.
  2. Run-on: He worked hard he passed the exam.
    Correct: He worked hard, and he passed the exam.
    Meaning: Effort and success connected.
  3. Run-on: She was tired she kept working.
    Correct: She was tired, yet she kept working.
    Meaning: Opposition expressed.
  4. Run-on: I called him he did not answer.
    Correct: I called him, but he did not answer.
    Meaning: Action and failure clarified.
  5. Run-on: They studied all night they scored well.
    Correct: They studied all night, and they scored well.
    Meaning: Effort and reward connected.
  6. Run-on: I want to travel I don’t have money.
    Correct: I want to travel, but I don’t have money.
    Meaning: Desire and limitation shown.
  7. Run-on: She opened the door she went inside.
    Correct: She opened the door, and she went inside.
    Meaning: Sequence clarified.
  8. Run-on: He plays football he plays cricket too.
    Correct: He plays football, and he plays cricket too.
    Meaning: Multiple interests linked.
  9. Run-on: I went to the library it was closed.
    Correct: I went to the library, but it was closed.
    Meaning: Expectation and reality contrasted.
  10. Run-on: The teacher explained the students listened.
    Correct: The teacher explained, and the students listened.
    Meaning: Two connected actions.
  11. Run-on: We went shopping we did not buy anything.
    Correct: We went shopping, but we did not buy anything.
    Meaning: Action and result contrasted.
  12. Run-on: He wants to win he works hard daily.
    Correct: He wants to win, so he works hard daily.
    Meaning: Cause and effect shown.
  13. Run-on: The lights went out we used candles.
    Correct: The lights went out, so we used candles.
    Meaning: Problem and solution shown.
  14. Run-on: I love music I listen every day.
    Correct: I love music, and I listen every day.
    Meaning: Passion and routine linked.
  15. Run-on: She cooked the food she cleaned the kitchen.
    Correct: She cooked the food, and she cleaned the kitchen.
    Meaning: Two actions connected.
  16. Run-on: He studies well he is not arrogant.
    Correct: He studies well, yet he is not arrogant.
    Meaning: Surprising contrast.
  17. Run-on: I tried calling you you were busy.
    Correct: I tried calling you, but you were busy.
    Meaning: Attempt and explanation shown.
  18. Run-on: They wanted to play it was raining heavily.
    Correct: They wanted to play, but it was raining heavily.
    Meaning: Desire blocked by weather.
  19. Run-on: We reached the station the train left early.
    Correct: We reached the station, but the train left early.
    Meaning: Failure explained.
  20. Run-on: She wanted to join the team she was not selected.
    Correct: She wanted to join the team, but she was not selected.
    Meaning: Expectation and outcome clarified.

41–60: Using Semicolons

  1. Run-on: I like pizza I also like pasta.
    Correct: I like pizza; I also like pasta.
    Meaning: Similar ideas connected.
  2. Run-on: The weather is cold we need warm clothes.
    Correct: The weather is cold; we need warm clothes.
    Meaning: Situation and requirement linked.
  3. Run-on: He speaks English he also speaks Hindi.
    Correct: He speaks English; he also speaks Hindi.
    Meaning: Languages listed.
  4. Run-on: The shop is closed it opens tomorrow.
    Correct: The shop is closed; it opens tomorrow.
    Meaning: Information clarified.
  5. Run-on: She is smart she is hardworking.
    Correct: She is smart; she is hardworking.
    Meaning: Qualities connected.
  6. Run-on: I enjoy reading I don’t enjoy writing.
    Correct: I enjoy reading; I don’t enjoy writing.
    Meaning: Contrast shown.
  7. Run-on: The movie was long it was interesting.
    Correct: The movie was long; it was interesting.
    Meaning: Positive note despite length.
  8. Run-on: I got late the teacher scolded me.
    Correct: I got late; the teacher scolded me.
    Meaning: Cause and reaction shown.
  9. Run-on: He joined the army his brother became a doctor.
    Correct: He joined the army; his brother became a doctor.
    Meaning: Family members’ choices explained.
  10. Run-on: The book is useful it explains grammar well.
    Correct: The book is useful; it explains grammar well.
    Meaning: Quality of book described.
  11. Run-on: The rain stopped we went outside.
    Correct: The rain stopped; we went outside.
    Meaning: Event and response linked.
  12. Run-on: She loves singing she practices daily.
    Correct: She loves singing; she practices daily.
    Meaning: Hobby and effort explained.
  13. Run-on: I like summer I enjoy winter too.
    Correct: I like summer; I enjoy winter too.
    Meaning: Different seasons appreciated.
  14. Run-on: He is young he is very wise.
    Correct: He is young; he is very wise.
    Meaning: Surprising contrast.
  15. Run-on: I read the question I knew the answer.
    Correct: I read the question; I knew the answer.
    Meaning: Action and knowledge connected.
  16. Run-on: The teacher smiled the students felt happy.
    Correct: The teacher smiled; the students felt happy.
    Meaning: Cause and effect shown.
  17. Run-on: He played well the team lost.
    Correct: He played well; the team lost.
    Meaning: Contrast explained.
  18. Run-on: We visited Mumbai we also went to Goa.
    Correct: We visited Mumbai; we also went to Goa.
    Meaning: Travel details listed.
  19. Run-on: I have a pen it does not work.
    Correct: I have a pen; it does not work.
    Meaning: Object and problem shown.
  20. Run-on: She speaks softly everyone listens carefully.
    Correct: She speaks softly; everyone listens carefully.
    Meaning: Quality and result linked.

61–80: Using Transitional Words

  1. Run-on: I worked hard it was not enough.
    Correct: I worked hard; however, it was not enough.
    Meaning: Effort but no success.
  2. Run-on: She studied the exam was still tough.
    Correct: She studied; still, the exam was tough.
    Meaning: Effort and challenge clarified.
  3. Run-on: He likes cricket he prefers football.
    Correct: He likes cricket; however, he prefers football.
    Meaning: Preference explained.
  4. Run-on: I missed the train I arrived late.
    Correct: I missed the train; therefore, I arrived late.
    Meaning: Cause and result shown.
  5. Run-on: They worked all night they finished the project.
    Correct: They worked all night; consequently, they finished the project.
    Meaning: Effort and outcome connected.
  6. Run-on: He did not study he failed the exam.
    Correct: He did not study; thus, he failed the exam.
    Meaning: Reason and result shown.
  7. Run-on: I love books I buy them often.
    Correct: I love books; moreover, I buy them often.
    Meaning: Interest and habit connected.
  8. Run-on: The movie was long it was exciting.
    Correct: The movie was long; nonetheless, it was exciting.
    Meaning: Contrast explained.
  9. Run-on: She was absent the teacher marked her present.
    Correct: She was absent; surprisingly, the teacher marked her present.
    Meaning: Unexpected result explained.
  10. Run-on: I went to the park I met my friend.
    Correct: I went to the park; there, I met my friend.
    Meaning: Place reference added.
  11. Run-on: We prepared well the result was poor.
    Correct: We prepared well; still, the result was poor.
    Meaning: Effort but poor outcome.
  12. Run-on: The storm was strong many houses fell.
    Correct: The storm was strong; as a result, many houses fell.
    Meaning: Cause and destruction shown.
  13. Run-on: He was late he missed the speech.
    Correct: He was late; therefore, he missed the speech.
    Meaning: Reason and outcome shown.
  14. Run-on: I like swimming it keeps me fit.
    Correct: I like swimming; besides, it keeps me fit.
    Meaning: Interest and benefit connected.
  15. Run-on: She wanted to speak she remained silent.
    Correct: She wanted to speak; instead, she remained silent.
    Meaning: Choice explained.
  16. Run-on: I went shopping I bought a new shirt.
    Correct: I went shopping; finally, I bought a new shirt.
    Meaning: Action and result clarified.
  17. Run-on: He is talented he lacks confidence.
    Correct: He is talented; nevertheless, he lacks confidence.
    Meaning: Contrast explained.
  18. Run-on: The train was late we missed the event.
    Correct: The train was late; consequently, we missed the event.
    Meaning: Delay and outcome shown.
  19. Run-on: I enjoy reading I learn many things.
    Correct: I enjoy reading; in fact, I learn many things.
    Meaning: Emphasis added.
  20. Run-on: The work is tough we will complete it.
    Correct: The work is tough; still, we will complete it.
    Meaning: Difficulty but determination shown.

81–100: Restructuring into Shorter Sentences

  1. Run-on: He read the book he wrote a review.
    Correct: After reading the book, he wrote a review.
    Meaning: Sequence clarified.
  2. Run-on: She was hungry she cooked food.
    Correct: Because she was hungry, she cooked food.
    Meaning: Cause and effect shown.
  3. Run-on: He lost the key he could not open the door.
    Correct: Since he lost the key, he could not open the door.
    Meaning: Reason explained.
  4. Run-on: I got a job I moved to another city.
    Correct: I got a job, so I moved to another city.
    Meaning: Cause and decision connected.
  5. Run-on: The bell rang students entered the class.
    Correct: When the bell rang, students entered the class.
    Meaning: Time relation explained.
  6. Run-on: It rained heavily the match was cancelled.
    Correct: As it rained heavily, the match was cancelled.
    Meaning: Weather and result linked.
  7. Run-on: He did not sleep he was tired.
    Correct: Because he did not sleep, he was tired.
    Meaning: Reason explained.
  8. Run-on: I studied hard I passed the exam.
    Correct: As I studied hard, I passed the exam.
    Meaning: Cause and effect clarified.
  9. Run-on: She practiced daily she improved her skills.
    Correct: Since she practiced daily, she improved her skills.
    Meaning: Practice and result explained.
  10. Run-on: He woke up early he caught the bus.
    Correct: As he woke up early, he caught the bus.
    Meaning: Action and benefit linked.
  11. Run-on: The teacher entered the students stood up.
    Correct: When the teacher entered, the students stood up.
    Meaning: Event and reaction clarified.
  12. Run-on: I forgot my umbrella I got wet.
    Correct: Because I forgot my umbrella, I got wet.
    Meaning: Reason and effect shown.
  13. Run-on: They worked hard they achieved success.
    Correct: Since they worked hard, they achieved success.
    Meaning: Effort and reward explained.
  14. Run-on: The phone rang he answered quickly.
    Correct: When the phone rang, he answered quickly.
    Meaning: Action sequence clarified.
  15. Run-on: She smiled everyone felt happy.
    Correct: When she smiled, everyone felt happy.
    Meaning: Action and impact connected.
  16. Run-on: He was sick he could not attend school.
    Correct: Because he was sick, he could not attend school.
    Meaning: Reason explained.
  17. Run-on: I saw him I waved at him.
    Correct: When I saw him, I waved at him.
    Meaning: Event and response linked.
  18. Run-on: She spoke softly everyone listened.
    Correct: As she spoke softly, everyone listened.
    Meaning: Quality and result shown.
  19. Run-on: He forgot his bag he borrowed one.
    Correct: Since he forgot his bag, he borrowed one.
    Meaning: Problem and solution shown.
  20. Run-on: I love books I read daily.
    Correct: I love books, so I read daily.
    Meaning: Interest and habit connected.

Why This Matters for Students and Competitive Exams

  • Many grammar-based exams test sentence correction.
  • Avoiding run-ons ensures higher marks in English sections.
  • Professional writing requires clarity, making this skill essential for resumes, essays, and interviews.
  • Practicing corrected sentences builds speed and accuracy.

FAQs on How to Avoid Run On Sentences

Q1. What is the easiest way to avoid run-on sentences?
The easiest way is to use a period or a comma with a conjunction to separate ideas.

Q2. Can run-on sentences appear in essays or exams?
Yes, they are common in essays and competitive exams. Correcting them improves grammar scores.

Q3. Are long sentences always run-ons?
No. A long sentence can be grammatically correct if it uses proper punctuation and structure.

Conclusion on How to Avoid Run On Sentences

Learning how to avoid run on sentences helps improve grammar, clarity, and communication. By practicing the 100 examples and following the tips, students and exam candidates can master this skill and perform better in academics, exams, and professional writing.

Disclaimer on How to Avoid Run On Sentences

This article is for educational purposes only. Examples are simplified for learning and may vary depending on context.

Also Read: Using Adjectives and Adverbs Correctly: A Complete Guide

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