1. I went to the cinema yesterday.

2. I went 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 didn't play the piano yesterday. I wrote a letter to my friend.

10. I wasn't 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 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 laughing, too.

1. went
2. was going
3. was going
4. was doing
5. was doing
6. did
7. was doing
8. was doing
9. did not play, wrote
10. was not playing, was reading
11. was not sleeping, was doing
12. was going, were talking and laughing, was laughing