1. They watched TV after they had finished their homework
2. By the time Jeff was 12 years old he had learned to speak English
3. Tim had lived in London before he moved to Paris
4. She went to work as soon as she had had breakfast
5. By the time I came home from school mum had cooked dinner
6. After Susan had tried on many dresses she decided to buy the green one
7. Before he finally got his licence Jason had failed his driving test three times
8. As soon as the guests had left Wendy started the washing-up