• My car broke down when I was driving home from work.
• Alan was looking out of the window when he saw a UFO.
• When he saw me, he fell off the wall.
• We were trying to log on when the wifi stopped working.
• Was Jim smoking when he turned on the gas?
• She was so tired that she slept for twelve hours.
• The tortoise was running while the hare had a nap.
• I phoned you four times last night but you were sleeping.
• The police asked them lots of questions before they released them.
• While the children were surfing the Internet, they found a really interesting website about music.
• He was walking down the road when he heard a loud noise.
• When we were in Canada, we went skiing almost every day.
• Where did you go last summer holiday, Jim? - Well, I took a trip to Minneapolis.
• When I arrived, they said hello but continued working.
• When you met me yesterday, I was not going to school; I was going to the doctor’s - I felt terrible.

1. broke - was driving

2. was looking - saw

3. saw - fell

4. was trying - stopped

5. was jim smoking - turned

6. was - slept

7. was running - was having

8. phoned - has slept

9. asked - released

10. was surfing - found

11. was walking - heard

12. were - went

13. did you go - took

1. My car broke down when I was driving home from work.
2. Alan was looking out of the window when he saw a UFO.
3. When he saw me, he fell off the wall.
4. We were trying to log on when the wifi stopped working.
5. Was Jim smoking when he turned on the gas?
6. She was so tired that she slept for twelve hours.
7. The tortoise was running while the hare was having a nap.
8. I phoned you four times last night but you were sleeping.
9. The police asked them lots of questions before they released them.
10. While the children were surfing the Internet, they found a really interesting website about music.
11. He was walking down the road when he heard a loud noise.
12. When we were in Canada, we went skiing almost every day.
13. Where did you go last summer holiday, Jim? - Well, I took a trip to Minneapolis.
14. When I arrived, they were saying hello but continued working.
15. When you met me yesterday, I wasn't going to school, I was going to the doctor’s - I felt terrible.