1. Jane washed all the test-tubes after she had completed the experiment.
2. She had done the cleaning by 6 o'clock yesterday.
3. After the stewardesses had served lunch to the passengers, they calmed down.
4. I didn't have my watch, so I didn't know the exact time.
5. He felt sick because he had eaten too much.
6. She had finished her report, and was feeling rather tired, so she went to bed.
7. By two o'clock he had answered all the letters he had received.
8. The bus had left before I reached the bus station.
9. As soon as they had finished breakfast, they ran out to play.
10.When we met our friends they had already known the news.
11.When you called me, I hadn't done the sum yet.
12.She intended to make a cake for you, but she ran out of time.
13.Hardly had we gone to bed when somebody knocked at the door.
14.No sooner had she come than she fell ill.