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Comma before and, but, or, so in compound sentences

4th grade (Year 5 in England) · 16 questions · Common Core: L.4.2.C · England: Y4 GPS (commas), Y3/4 Writing (proofreading)

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Date

Score/ 16

  1. Question 1

    Which sentence has the comma in the right place?

    • A. My phone, was flat so I couldn't call.
    • B. My phone was, flat so I couldn't call.
    • C. My phone was flat, so I couldn't call.
    • D. My phone was flat so, I couldn't call.

  2. Question 2

    Does this sentence need a comma before the joining word? Leo and Sam built a treehouse.

    • A. Yes: it joins two complete sentences
    • B. No: it is just one sentence

  3. Question 3

    Which sentence has the comma in the right place?

    • A. The film was long but nobody, got bored.
    • B. The film was long, but nobody got bored.
    • C. The film, was long but nobody got bored.
    • D. The film was long but, nobody got bored.

  4. Question 4

    Does this sentence need a comma before the joining word? Leo and Sam built a treehouse.

    • A. Yes: it joins two complete sentences
    • B. No: it is just one sentence

  5. Question 5

    Which sentence has the comma in the right place?

    • A. The ice was thin so, we stayed off the pond.
    • B. The ice was thin, so we stayed off the pond.
    • C. The ice, was thin so we stayed off the pond.
    • D. The ice was thin so we stayed, off the pond.

  6. Question 6

    Does this sentence need a comma before the joining word? The bus was late so we walked to school.

    • A. Yes: it joins two complete sentences
    • B. No: it is just one sentence

  7. Question 7

    Which sentence has the comma in the right place?

    • A. Omar brought, the snacks and Ella brought the games.
    • B. Omar brought the snacks, and Ella brought the games.
    • C. Omar brought the snacks and, Ella brought the games.
    • D. Omar, brought the snacks and Ella brought the games.

  8. Question 8

    Does this sentence need a comma before the joining word? Would you like milk or water?

    • A. Yes: it joins two complete sentences
    • B. No: it is just one sentence

  9. Question 9

    Which sentence has the comma in the right place?

    • A. My phone was flat, so I couldn't call.
    • B. My phone, was flat so I couldn't call.
    • C. My phone was, flat so I couldn't call.
    • D. My phone was flat so, I couldn't call.

  10. Question 10

    Does this sentence need a comma before the joining word? Grandma knits scarves and hats.

    • A. Yes: it joins two complete sentences
    • B. No: it is just one sentence

  11. Question 11

    Which sentence has the comma in the right place?

    • A. The film was long but nobody, got bored.
    • B. The film was long, but nobody got bored.
    • C. The film, was long but nobody got bored.
    • D. The film was long but, nobody got bored.

  12. Question 12

    Does this sentence need a comma before the joining word? It was cold so I wore my gloves.

    • A. Yes: it joins two complete sentences
    • B. No: it is just one sentence

  13. Question 13

    Which sentence has the comma in the right place?

    • A. We can walk, to the park or we can take the bus.
    • B. We can walk to the park or we can, take the bus.
    • C. We can walk to the park or, we can take the bus.
    • D. We can walk to the park, or we can take the bus.

  14. Question 14

    Does this sentence need a comma before the joining word? It was cold so I wore my gloves.

    • A. Yes: it joins two complete sentences
    • B. No: it is just one sentence

  15. Question 15

    Which sentence has the comma in the right place?

    • A. The film was long but nobody, got bored.
    • B. The film, was long but nobody got bored.
    • C. The film was long but, nobody got bored.
    • D. The film was long, but nobody got bored.

  16. Question 16

    Does this sentence need a comma before the joining word? Grandma knits scarves and hats.

    • A. Yes: it joins two complete sentences
    • B. No: it is just one sentence

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Answer key: Comma before and, but, or, so in compound sentences

  1. 1. C. My phone was flat, so I couldn't call.

  2. 2. B. No: it is just one sentence

  3. 3. B. The film was long, but nobody got bored.

  4. 4. B. No: it is just one sentence

  5. 5. B. The ice was thin, so we stayed off the pond.

  6. 6. A. Yes: it joins two complete sentences

  7. 7. B. Omar brought the snacks, and Ella brought the games.

  8. 8. B. No: it is just one sentence

  9. 9. A. My phone was flat, so I couldn't call.

  10. 10. B. No: it is just one sentence

  11. 11. B. The film was long, but nobody got bored.

  12. 12. A. Yes: it joins two complete sentences

  13. 13. D. We can walk to the park, or we can take the bus.

  14. 14. A. Yes: it joins two complete sentences

  15. 15. D. The film was long, but nobody got bored.

  16. 16. B. No: it is just one sentence