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Commas in Compound Sentences is a free printable Grade 4 English worksheet on the comma before and, but and so in a compound sentence, aligned to Common Core standard L.4.2. It prints 7 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 24 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Commas in Compound Sentences

L.4.2

NameDate

Rewrite each sentence correctly.

1.apostrophe

The villages clock was four minutes fast.

2.apostrophe

The reefs colour drained away.

3.commas

They wove for a day and Arachne's cloth was better.

4.apostrophe

Arachnes cloth showed the gods behaving badly.

5.commas

The dam slows the water and silt drops out.

6.apostrophe

Rontgens wife put her hand on the plate.

7.commas

Harrison built four clocks and the fourth one worked.

LessonPrint · L.4.2 · Set 24 · free to copy for classroom use

Answer key — Commas in Compound Sentences

Set 24. Prints on its own sheet.

  1. 1.The village's clock was four minutes fast.
  2. 2.The reef's colour drained away.
  3. 3.They wove for a day, and Arachne's cloth was better.
  4. 4.Arachne's cloth showed the gods behaving badly.
  5. 5.The dam slows the water, and silt drops out.
  6. 6.Rontgen's wife put her hand on the plate.
  7. 7.Harrison built four clocks, and the fourth one worked.

Last reviewed 2026-09-05. Aligned to L.4.2 of the Common Core State Standards for English language arts.