1. Has Tim finished his work yet?
2. Did he finish it yesterday?
3. They have just gone out.
4. They went out a minute ago.
5. Did Ann study yesterday afternoon?
6. Have you sent the letters yet?
7. Did she call him a week ago?
8. They have not seen the film yet.
9. The train has just arrived.
10. Have you ever been in a TV studio?
11. Did you and Tom enjoy the party last night?
12. Didn't you finish school last year?
13. I have lost my dictionary. I can't find it anywhere.
14. His car looks short. He had a haircut.
15. When did he give up smoking?
16. Jane bought her car two weeks ago.
17. My bicycle isn't here. Somebody has taken it.
18. Why Jim didn't want to play tennis last Friday?
19. The car looks clean. Have you washed it?
20. When we were on holiday, the weather was terrible.