Open the brackets using Past Simple or Past Perfect.
1. Tom (to return) from the cinema at five o’clock.
2. Tom (to return) from the cinema by five o’clock.
3. I (to finish) my homework at seven o’clock.
4. I (to finish) my homework by seven o’clock.
5. He (to think) that he (to lose) the money.
6. Ann (to tell) me that she (to see) an interesting film.
7. When I (to come) home mother already (to cook) dinner.
8. When father (to return) from work, we already (to do) our homework.
9. When the teacher (to enter) the classroom, the pupils already (to open) their books.
10. Kate (to give) me the book she (to buy) the day before.
11. Mother (to see) that Nick (not to wash) his hands.
12. The teacher (to understand) that Lena (not to do) her homework.
13. I (to know) that my friend (to come) yet.
14. When I (wake up) yesterday, father already (to go) to work.
15. Mary (to tell) us that she (to cook) a good dinner.
16. Yesterday I (to find) a book which I (to lose) in summer.
17. When we (to come) to the station the train (to leave).

1. returned2. had returned3. finished4. had finished5. thought, had lost6. told, saw7. came, had cooked8. returned, had done9. entered, had opened10. gave, had bought11. saw, hadn't washed12. understood, hadn't done13. knew, had come14. woke up, had gone15. told, had cooked16. found, had lost17. came, had left