1. Susan wrote a long letter yesterday.
2. Mark was cooking dinner when the phone rang.
3. Paul didn't go out yesterday.
4. He was eating breakfast when he heard a knock on the window.
5. The children were playing in the park when it started to rain.
6. What did you do when he called you last night?
7. Did you have a good time at the party?
8. John didn't type all the letters yesterday.
9. She broke her arm while she was skiing.
10. First she cleaned the house,
Then she washed the dishes,
After that, she went shopping.
