Change the verb into the correct form:
1. Yesterday at 5 o'clock I (eat).
2. Last night, at 10 o'clock she (dance).
3. Tim (cook) while Susan (watch) TV.
4. Barbara (paint), and Joe (sleep).
5. While you (rest), I (clean) the house.
6. While we (swim), the other team (run).
7. Jim (always come) late to work.
8. Dorothy (always smoke) in the room.
9. Jack and Bob (always fight) about something.
10. These two (constantly chat).
11. James (read) and Emily (listen) to music.
12. While the singer (sing), the crowd (jump).
13. The teacher (sleep), and the students (laugh).
14. An hour ago I (jog).
15. They (always drink) too much at parties.