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Comma before and/but

7th grade (Year 8 in England) · 16 questions · Common Core: L.7.2, L.4.2.C · England: KS3 English (punctuation), SAT Standard English Conventions (Boundaries)

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  1. Question 1

    Does this sentence need a comma before the conjunction? We could watch a film or we could play a board game.

    • A. yes
    • B. no

  2. Question 2

    Which sentence is punctuated correctly? • The storm knocked down trees and the river, burst its banks. • The storm knocked down trees and, the river burst its banks. • The storm knocked down trees, and the river burst its banks. • The storm, knocked down trees and the river burst its banks.

    • A. The storm knocked down trees and the river, burst its banks.
    • B. The storm knocked down trees and, the river burst its banks.
    • C. The storm knocked down trees, and the river burst its banks.
    • D. The storm, knocked down trees and the river burst its banks.

  3. Question 3

    Does this sentence need a comma before the conjunction? The bus arrived and we got on.

    • A. yes
    • B. no

  4. Question 4

    Which sentence is punctuated correctly? • The volunteers collected litter and, planted trees. • The volunteers collected litter, and planted trees. • The volunteers collected litter and planted trees. • The volunteers, collected litter and planted trees.

    • A. The volunteers collected litter and, planted trees.
    • B. The volunteers collected litter, and planted trees.
    • C. The volunteers collected litter and planted trees.
    • D. The volunteers, collected litter and planted trees.

  5. Question 5

    Does this sentence need a comma before the conjunction? We could watch a film or we could play a board game.

    • A. yes
    • B. no

  6. Question 6

    Which sentence is punctuated correctly? • Leo practised every day but still felt nervous. • Leo practised every day, but still felt nervous. • Leo, practised every day but still felt nervous. • Leo practised every day but, still felt nervous.

    • A. Leo practised every day but still felt nervous.
    • B. Leo practised every day, but still felt nervous.
    • C. Leo, practised every day but still felt nervous.
    • D. Leo practised every day but, still felt nervous.

  7. Question 7

    Does this sentence need a comma before the conjunction? We could watch a film or we could play a board game.

    • A. yes
    • B. no

  8. Question 8

    Which sentence is punctuated correctly? • The cat stretched, and curled up by the fire. • The cat, stretched and curled up by the fire. • The cat stretched and curled up by the fire. • The cat stretched and, curled up by the fire.

    • A. The cat stretched, and curled up by the fire.
    • B. The cat, stretched and curled up by the fire.
    • C. The cat stretched and curled up by the fire.
    • D. The cat stretched and, curled up by the fire.

  9. Question 9

    Does this sentence need a comma before the conjunction? The bus arrived and we got on.

    • A. yes
    • B. no

  10. Question 10

    Which sentence is punctuated correctly? • She opened the letter, and smiled. • She opened the letter and smiled. • She, opened the letter and smiled. • She opened, the letter and smiled.

    • A. She opened the letter, and smiled.
    • B. She opened the letter and smiled.
    • C. She, opened the letter and smiled.
    • D. She opened, the letter and smiled.

  11. Question 11

    Does this sentence need a comma before the conjunction? I like swimming but my brother prefers tennis.

    • A. yes
    • B. no

  12. Question 12

    Which sentence is punctuated correctly? • She opened the letter, and smiled. • She opened the letter and smiled. • She opened, the letter and smiled. • She, opened the letter and smiled.

    • A. She opened the letter, and smiled.
    • B. She opened the letter and smiled.
    • C. She opened, the letter and smiled.
    • D. She, opened the letter and smiled.

  13. Question 13

    Does this sentence need a comma before the conjunction? I like swimming but don't enjoy cold water.

    • A. yes
    • B. no

  14. Question 14

    Which sentence is punctuated correctly? • The lights went out so, we lit some candles. • The lights, went out so we lit some candles. • The lights went out, so we lit some candles. • The lights went out so we lit, some candles.

    • A. The lights went out so, we lit some candles.
    • B. The lights, went out so we lit some candles.
    • C. The lights went out, so we lit some candles.
    • D. The lights went out so we lit, some candles.

  15. Question 15

    Does this sentence need a comma before the conjunction? Sam washed the dishes and dried them.

    • A. yes
    • B. no

  16. Question 16

    Which sentence is punctuated correctly? • The cat stretched and curled up by the fire. • The cat stretched, and curled up by the fire. • The cat stretched and, curled up by the fire. • The cat, stretched and curled up by the fire.

    • A. The cat stretched and curled up by the fire.
    • B. The cat stretched, and curled up by the fire.
    • C. The cat stretched and, curled up by the fire.
    • D. The cat, stretched and curled up by the fire.

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Answer key: Comma before and/but

  1. 1. A. yes

  2. 2. C. The storm knocked down trees, and the river burst its banks.

  3. 3. A. yes

  4. 4. C. The volunteers collected litter and planted trees.

  5. 5. A. yes

  6. 6. A. Leo practised every day but still felt nervous.

  7. 7. A. yes

  8. 8. C. The cat stretched and curled up by the fire.

  9. 9. A. yes

  10. 10. B. She opened the letter and smiled.

  11. 11. A. yes

  12. 12. B. She opened the letter and smiled.

  13. 13. B. no

  14. 14. C. The lights went out, so we lit some candles.

  15. 15. B. no

  16. 16. A. The cat stretched and curled up by the fire.