I went to the cinema yesterday.
I was going to the cinema at four o’clock yesterday.
I was going to the cinema when you met me.
I was doing my homework the whole evening yesterday.
I was doing my homework when mother came home.
I did my homework yesterday.
I was doing my homework from five till eight yesterday.
I was doing my homework at six o’clock yesterday.
I didn't play the piano yesterday.
I wasn't playing the piano at four o’clock yesterday. I was reading a book.
2)
1. When I came home, my little sister was sleeping. 2. When Nick came home, his brother was playing with his toys. 3. When mother came home, I was doing my homework. 4. When father came home, Pete was sleeping. 5. When mother came home, the children were playing on the carpet. 6. When I got up, my mother and father were drinking tea. 7. When I came to my friend’s place, he was watching TV. 8. When I saw my friends, they were playing football. 9. When I opened the door, the cat was siting on the table. 10. When Kate opened the door, the children were dancing round the firtree.