Simple, Compound and Complex Sentences Worksheet with Answers

Free printable worksheet: 24 questions with a full answer key

Intermediate 24 questions Answer key included Free to print

A simple sentence has one clause, a compound sentence joins two main clauses (and, but, or, so), and a complex sentence has a main clause and a dependent clause (when, because, although, who). Identify them, then transform one into another. The answer key is at the end.

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Simple, Compound and Complex Sentences Worksheet with Answers

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A. Simple, compound or complex?

Write S (simple), CD (compound) or CX (complex) for each sentence.

  1. Ravi plays the guitar.
  2. Ravi plays the guitar, and his sister sings.
  3. Ravi plays the guitar when he feels sad.
  4. Although it was raining, we went out.
  5. I called her, but she did not answer.
  6. Walking to school, Neha met her teacher.
  7. The boy who won the prize is my cousin.
  8. Hurry up, or you will miss the bus.

B. Simple to compound

Rewrite each simple sentence as a compound sentence.

  1. Being tired, he went to bed.
  2. In spite of his illness, he attended the meeting.
  3. Besides being clever, she is hardworking.
  4. Work hard to pass the exam.

C. Simple to complex

Rewrite each simple sentence as a complex sentence.

  1. On reaching the station, I called my father.
  2. He is too weak to walk.
  3. I know the girl with the red bag.
  4. He admitted his mistake.

D. Compound to complex

Rewrite each compound sentence as a complex sentence.

  1. He is rich, but he is not happy.
  2. Hurry up, or you will miss the train.
  3. She worked hard, so she passed.
  4. He finished his work and went home.

E. Complex to simple

Rewrite each complex sentence as a simple sentence.

  1. When the sun rose, the birds began to sing.
  2. He confessed that he was guilty.
  3. Although he is poor, he is honest.
  4. I saw a man who was carrying a large box.

Answer Key

A. Simple, compound or complex?

  1. S
  2. CD
  3. CX
  4. CX
  5. CD
  6. S
  7. CX
  8. CD

B. Simple to compound

  1. He was tired, so he went to bed.
  2. He was ill, but he attended the meeting.
  3. She is not only clever, but she is also hardworking.
  4. Work hard, and you will pass the exam.

C. Simple to complex

  1. When I reached the station, I called my father.
  2. He is so weak that he cannot walk.
  3. I know the girl who has the red bag.
  4. He admitted that he had made a mistake.

D. Compound to complex

  1. Although he is rich, he is not happy.
  2. If you do not hurry up, you will miss the train.
  3. She passed because she worked hard.
  4. After he had finished his work, he went home.

E. Complex to simple

  1. At sunrise, the birds began to sing.
  2. He confessed his guilt.
  3. In spite of his poverty, he is honest.
  4. I saw a man carrying a large box.

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