50 rewrite the past simple sentences using the past continuous, and the past perfect sentences using the past perfect continuous. 1. he worked in a factory for a long time. 2. i read that book during the holidays. 3. had she run before breakfast. 4. what did you do yesterday evening. 5. we had waited for some time. 6. the police hadn't watched them for a week.

1. He was working in a factory for a long time.
2. I was reading that book during the holidays.
3. Had she been running before breakfast?
4. What were you doing yesterday evening.
5. We had been waiting for some time.
6. The police hadn't been watching them for a week.