Error Correction: Fixing Agreement Mistakes with Compound Subjects Quiz

  • 3rd Grade
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| By Thames
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Thames
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Quizzes Created: 8157 | Total Attempts: 9,566,648
| Questions: 20 | Updated: Jan 6, 2026
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Question 1 / 20
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1. Why is there a mistake in this sentence: The pencil and the eraser is missing?

Explanation

Pencil and eraser make a plural subject, so the verb must be are, not is.

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About This Quiz
Error Correction: Fixing Agreement Mistakes With Compound Subjects Quiz - Quiz

Grammar errors often reveal misunderstandings about structure. In this fixing compound subject mistakes quiz, you’ll identify and correct subject-verb agreement errors involving compound subjects. You’ll analyze why mistakes occur, apply the correct rule, and revise sentences for accuracy. Each question strengthens editing skills and helps you avoid common agreement errors... see morein formal writing.
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2. Which sentence correctly fixes the agreement mistake?

Explanation

The plural subject pencil and eraser needs the plural verb are missing.

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3. Complete the sentence: The dog and the cat ___ playing in the yard.

Explanation

Dog and cat form a plural subject, so the correct verb is are.

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4. Fix the mistake: The boy and his sister walks to school every day.

Explanation

Boy and his sister make a plural subject, so the verb should be the plural form walk.

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5. Which sentence has correct subject-verb agreement?

Explanation

Mom and dad is a plural subject, so the present-tense verb must be cook.

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6. There is a subject-verb agreement mistake in this sentence: The cups and the plates is on the table.

Explanation

Cups and plates make a plural subject, so the verb should be are, not is.

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7. This sentence is correct: The teacher and the students are talking.

Explanation

Teacher and students form a plural subject, and the plural verb are matches correctly.

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8. What is the mistake in this sentence: Either the cats or the dog are noisy at night.

Explanation

With or, the verb agrees with the closest subject dog, which is singular, so the verb should be is.

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9. Choose the best correction: Either my brother or my friends is coming to visit.

Explanation

Friends is plural and nearest the verb, so the verb should be are, not is.

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10. Which sentences have subject-verb agreement mistakes?

Explanation

A and C use a singular verb with a plural subject or nearest plural noun, so the verbs should be plural.

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11. Which sentences show correct agreement with compound subjects?

Explanation

B, C, and E match plural subjects or nearest plural nouns with plural verbs.

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12. Complete the sentence: The spoon and the fork ___ on the plate.

Explanation

Spoon and fork together make a plural subject, so the verb are is correct.

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13. Complete the sentence: My friend and I ___ going to the park.

Explanation

My friend and I is a plural subject, so the plural verb are is needed.

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14. Fix the agreement mistake: Neither the cookies nor the cake are on the table.

Explanation

Cake is singular and closest to the verb, so the verb should be is, not are.

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15. Which sentence is correct after fixing the agreement?

Explanation

Dog and puppies make a plural subject, so the plural verb are sleeping is correct.

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16. This sentence is correct: Either the books or the pencil are on the desk.

Explanation

Pencil is singular and nearest the verb, so the verb should be is instead of are.

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17. There is no agreement error in this sentence: The flowers and the trees are beautiful.

Explanation

Flowers and trees form a plural subject, and the plural verb are matches correctly.

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18. Complete the sentence: The principal and the teachers ___ meeting in the library.

Explanation

Principal and teachers together are plural, so the verb are is correct.

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19. Complete the corrected sentence: The car and the truck ___ parked outside.

Explanation

Car and truck make a plural subject, so the verb are should be used.

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20. Which rule helps you fix most agreement mistakes with compound subjects joined by and?

Explanation

Two nouns joined by and usually form a plural subject, so they need a plural verb.

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Why is there a mistake in this sentence: The pencil and the eraser is...
Which sentence correctly fixes the agreement mistake?
Complete the sentence: The dog and the cat ___ playing in the yard.
Fix the mistake: The boy and his sister walks to school every day.
Which sentence has correct subject-verb agreement?
There is a subject-verb agreement mistake in this sentence: The cups...
This sentence is correct: The teacher and the students are talking.
What is the mistake in this sentence: Either the cats or the dog are...
Choose the best correction: Either my brother or my friends is coming...
Which sentences have subject-verb agreement mistakes?
Which sentences show correct agreement with compound subjects?
Complete the sentence: The spoon and the fork ___ on the plate.
Complete the sentence: My friend and I ___ going to the park.
Fix the agreement mistake: Neither the cookies nor the cake are on the...
Which sentence is correct after fixing the agreement?
This sentence is correct: Either the books or the pencil are on the...
There is no agreement error in this sentence: The flowers and the...
Complete the sentence: The principal and the teachers ___ meeting in...
Complete the corrected sentence: The car and the truck ___ parked...
Which rule helps you fix most agreement mistakes with compound...
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