1.    I (see) …………………..her yesterday when she (drive)………………………to her office.

2.    When the police (come)………………, they (play)………………………..cards.

3.    She (not, write)…………………………….to him since last year.

4.    Look! The policeman (run) …………………..after the pick pocket.

5.    When I (call) ……………….him last night, he (read)………………………..the new book.

6.    I hope he (marry) ………………………next year.

7.    The rain (fall)…………………when we (work) …………………….in the garden.

8.    When he (come)…………………. to the station, the train (already, leave)………………………….

9.    She (just, move)…………………………………..to Hanoi.

10. Last Saturday while Sandy (clean) ……………………..out the attic, she (find)…………………her grandmother’s weeding dress.

11. My mother (cook) ……………….dinner while my father (read)……………….newspaper yesterday.

12. Last year, he (fly)…………………………..380,000 miles.

13. Yesterday I (go) ……………………………my daughter’s house.

14. I (not, take)……………………….dancing lessons when I was young.

15. I (start) …………………………acting when I was in elementary school.

16. After Ali (return) ……………………to his country next month, he (start)………………….working at the Ministry of Agriculture.

17. He (be)……………………….here before there (be)……………………a flood in the kitchen.

18. Water (boil) …………………….at 100 degree Celsius.

19. My father (work) ………………….as a teacher.