Ex. 1
1. Had
2. Was
3. Was
4. Got up
5. Went
6. Was
7. Did
8. Had
9. Went
10. Took
11. Took
12. Spoke
13. Called
14. Took
15. Went
Ex. 2
1. Work
2. Lives
3. Has
4. Like
5. Go
6. Plays
7. Drink
8. Gets up
9. Love
10. Study
Ex. 3
1. Brian had returned books to the library before last Tuesday.
2. We had known the results of the test before tow o’clock yesterday.
3. I had come to the office before lunch time.
4. You had made the order before we came into the cafe.
5. Sally had sent the letter before her boss returned from the bank.
6. The ferry had reached the port by three o’clock yesterday.
7. The performance had finished by eight o’clock in the evening.
8. They had built a new hospital before the end of April.
9. Max had had dinner by four o’clock.
10. The baby had woken up before you left home.