1.Mike took a photograph of me while I wasn't looking.
2.When I met Alice, she was trying to find a job.
3.The girl heard footsteps behind her and started running.
4.I was driving my car yesterday when a man stepped out into the road. I was going very fast but stopped in time and didn't hit him.
5.He says that he saw me in town yesterday but I didn't see him, I was looking the other way.
6.I met Paul and Jane in airport. We discussed some problems while we were waiting for our flights.
7.What were you doing when I rang you up in the evening?
8.Where were they going when the accident happened?
9.When we saw Caroline, she was wearing a nice dress.
10. While he was reading an article, he noticed some mistakes.
11. It was raining when we left the house.
12. She was running down the stairs and saw that her husband was speaking to a stranger.
13. Nick raised his head and looked out of the window, it was still snowing.
14. They didn't tell the truth while they were discussing the situation.
15. While Tom was packing things, Mike was reading a book.