1. I (went) to the cinema yesterday.
2. I (was going) to the cinema at four o'clock yesterday.
3. I (was going) to the cinema when you met me.
4. I (was doing) my homework the whole evening yesterday.
5. I (was doing) my homework when mother came home.
6. I (did) my homework yesterday.
7. I (was doing) my homework from five till eight yesterday.
8. I (was doing) my homework at six o'clock yesterday.
9. I (did not play) the piano yesterday. I (was writing) a letter to my friend.
10. I (was not playing) the piano at four o'clock yesterday. I (was reading) a book.
11. He (was not sleeping) when father came home. He (was doing) his homework.
12. When we were in the country last summer, I (went) to the wood one day. In the wood I (found) a little fox cub. I (brought) it home. I (decided) to tame the cub. Every day I (fed) it and (took) care of it. I (was taming) it the whole summer. Now the fox cub is quite tame. It lives in my house.
13. When I (was going) to school the day before yesterday, I met Mike and Pete. They (were talking) and (laughing). They told me a funny story. Soon I ( laughed), too. I still (was laughing) when we came to school. After school I (told) this story at home. My father and mother ( liked) it very much.