Simple, Complex or Compound Sentence

Say whether the given sentence is simple, complex or compound.

1. What are you doing there?

2. Who is that woman who just walked in?

3. As there was no light in the room, I couldn’t see anything.

4. It took me a long time to finish the job.

5. She was here in the morning.

6. I talked to them but we could not resolve the issue.

7. I waited for them but they did not come.

8. If you needed money, you could ask me.

9. Will you wait here until I return?

10. He seems to be a fraudster.

11. They have returned.

12. I don’t want them to find out.

Answers

1. What are you doing there? (Simple sentence)

2. Who is that woman who just walked in? (Complex sentence)

3. As there was no light in the room, I couldn’t see anything. (Complex sentence)

4. It took me a long time to finish the job. (Simple sentence)

5. She was here in the morning. (Simple sentence)

6. I talked to them but we could not resolve the issue. (Compound sentence)

7. I waited for them but they did not come. (Compound sentence)

8. If you needed money, you could ask me. (Complex sentence)

9. Will you wait here until I return? (Complex sentence)

10. He seems to be a fraudster. (Simple sentence)

11. They have returned. (Simple sentence)

12. I don’t want them to find out. (Simple)