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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 11 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

Rontgens wife put her hand on the plate.

2.commas

The dam slows the water and silt drops out.

3.apostrophe

Arachnes cloth showed the gods behaving badly.

4.apostrophe

The beavers lodge is entered underwater.

5.commas

Harrison built four clocks and the fourth one worked.

6.apostrophe

Harrisons fourth clock lost five seconds.

7.commas

We tested wood rubber and metal.

LessonPrint · L.4.2 · Set 11 · free to copy for classroom use

Answer key — Commas in Compound Sentences

Set 11. Prints on its own sheet.

  1. 1.Rontgen's wife put her hand on the plate.
  2. 2.The dam slows the water, and silt drops out.
  3. 3.Arachne's cloth showed the gods behaving badly.
  4. 4.The beaver's lodge is entered underwater.
  5. 5.Harrison built four clocks, and the fourth one worked.
  6. 6.Harrison's fourth clock lost five seconds.
  7. 7.We tested wood, rubber and metal.

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