1. I played computer games yesterday
2. I was playing computer games at five o'clock yesterday.
3. He was playing computer games from two till three yesterday
4. We were playing computer games the whole evening yesterday
5. What was Nick doing when you came to his place?
6. What were you doing when I rang you up?
7. I wasn't sleeping at nine o'clock yesterday
8. What did he do yesterday? He read a book
9. What was he doing the whole evening yesterday? He was reading a book
10. Was she sleeping when you came home?