Free Compound Sentences Worksheets

Free printable compound sentences worksheets for grades 3–5. Join sentences with coordinating conjunctions, identify compound sentences, and fix run-on sentences. Download PDFs.

Grade: 3rd–5th Phase 2: Sentences
Definition

A compound sentence is made by joining two simple sentences with a coordinating conjunction (for, and, nor, but, or, yet, so — FANBOYS).

Tip: Remember FANBOYS: For, And, Nor, But, Or, Yet, So. Use a comma before the conjunction in a compound sentence.

1 Identify the Compound Sentences

Circle the compound sentences(s) in each sentence. Includes an answer key.

Directions: Read each sentence. Circle every compound sentences you find.

  1. I wanted to go swimming, but the pool was closed.
  2. She studied hard, so she did well on the test.
  3. We can take the bus, or we can walk to school.
  4. He loves dogs, yet he is allergic to them.
  5. The sun set early, and the stars came out quickly.
  6. It was raining outside, so we stayed indoors.
  7. She likes cats, but her brother prefers dogs.
  8. We packed our bags, and we loaded the car.
  9. You can have cake, or you can have ice cream.
  10. He tried to lift the box, but it was too heavy.
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2 Sort: Simple Sentence vs. Compound Sentence

Sort words from the bank into two categories. Great for visual learners. Includes an answer key.

Directions: Read each word. Write it in the correct column.

Simple Sentence
Compound Sentence
The dog barked all night. I was tired, so I went to bed. She baked cookies. He ran fast, but he missed the bus. We went to the park. It was cold, and it was windy. The cat slept all day. You can walk, or you can ride. My team lost the game. She called me, yet I missed it. He ate lunch at noon. I like math, but science is fun too.
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3 Fill in the Blank

Complete sentences using the word bank. Reinforces compound sentences in context. Includes an answer key.

Word Bank
but so or and so yet or so

Directions: Choose the best word from the word bank to complete each sentence.

  1. I wanted pizza, _____ we ordered tacos instead.
  2. She finished her homework, _____ she went outside to play.
  3. We can watch a movie, _____ we can play a board game.
  4. He loves baseball, _____ he also loves soccer.
  5. The rain stopped, _____ we went out to play.
  6. She tried her best, _____ she didn't win the race.
  7. You can bring a snack, _____ you can eat when we get there.
  8. The store was crowded, _____ we had to wait in line.
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