Conjunctions and Compound Sentences Worksheets

Students circle the best conjunction for six sentences, then join four pairs of sentences into compound sentences using the conjunction in the box.

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Conjunctions and Compound Sentences

Name: ______________________Date: __________

A conjunction joins words or ideas. and adds, but shows a difference, or gives a choice, so tells what happened next, and because tells why. Circle the best conjunction.

  1. Mia stayed home she had a cold.
    andbutorsobecause
  2. We can have pizza tacos for dinner.
    andbutorsobecause
  3. We wore coats it was cold.
    andbutorsobecause
  4. Ava sings, her brother plays the drums.
    andbutorsobecause
  5. The bus was late, we walked to school.
    andbutorsobecause
  6. Leo studied hard, he still felt nervous.
    andbutorsobecause

A compound sentence joins two complete sentences with a comma and a conjunction. Combine the sentences using the word in the box.

  1. Ben likes soccer. Kai likes baseball. and
  2. I have a red pen. I need a blue pen. but
  3. Mom baked bread. Dad made soup. and
  4. We can walk. We can ride our bikes. or

Write your own compound sentence about your weekend. Use and, but or so.

Conjunctions and Compound Sentences: Answer Key

A conjunction joins words or ideas. and adds, but shows a difference, or gives a choice, so tells what happened next, and because tells why. Circle the best conjunction.

  1. Mia stayed home because she had a cold.
    andbutorsobecause
  2. We can have pizza or tacos for dinner.
    andbutorsobecause
  3. We wore coats because it was cold.
    andbutorsobecause
  4. Ava sings, and her brother plays the drums.
    andbutorsobecause
  5. The bus was late, so we walked to school.
    andbutorsobecause
  6. Leo studied hard, but he still felt nervous.
    andbutorsobecause

A compound sentence joins two complete sentences with a comma and a conjunction. Combine the sentences using the word in the box.

  1. Ben likes soccer. Kai likes baseball. and
    Ben likes soccer, and Kai likes baseball.
  2. I have a red pen. I need a blue pen. but
    I have a red pen, but I need a blue pen.
  3. Mom baked bread. Dad made soup. and
    Mom baked bread, and Dad made soup.
  4. We can walk. We can ride our bikes. or
    We can walk, or we can ride our bikes.

Write your own compound sentence about your weekend. Use and, but or so.

Teaching tips

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Conjunctions and Compound Sentences Worksheets: free printable grammar & punctuation worksheets for 1st–3rd grade from Printable Classroom. Printable conjunctions worksheets: choose and, but, or, so or because, combine two sentences into a compound sentence with a comma and a conjunction, and write your own. Answer key included.