1. Went
2. Watched
3. When did he arrive?
4. Bought
5. Where did you live?
6. Played
7. Where did you work before?
8. Did they come for lunch?
9. Did we study
10. Drank
11. Did you see
12. Ate
13. You didnt go
14. He studied
15. What did you watch
16. We didnt call
17. They didnt arrive
18. It didnt rain
19. We didnt drink
20. Cleaned