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 students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 2 of 25 · the same problems every time you open this link.

One paper per student

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

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.commas

Harrison built four clocks and the fourth one worked.

2.commas

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

3.commas

The dam slows the water and silt drops out.

4.commas

Lichens absorb what is in the air so they vanish where it is dirty.

5.commas

Jade studied every night so she passed the test easily.

6.commas

We could walk to the park or we could take the bus.

7.commas

I wanted to swim but the pool was closed.

LessonPrint · L.4.2 · Set 2 · free to copy for classroom use

Answer key — Commas in Compound Sentences

Set 2. Prints on its own sheet.

1.Harrison built four clocks, and the fourth one worked.
2.They wove for a day, and Arachne's cloth was better.
3.The dam slows the water, and silt drops out.
4.Lichens absorb what is in the air, so they vanish where it is dirty.
5.Jade studied every night, so she passed the test easily.
6.We could walk to the park, or we could take the bus.
7.I wanted to swim, but the pool was closed.

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