EXERCISE 1: Use the correct form of verbs in brackets. 1. In all the world, there (be) only 14 mountains that (reach) above 8,000 meters.
2. He sometimes (come) to see his parents.
3. When I (come) , she (leave) for Dalat ten minutes ago.
4. My grandfather never (fly) in an airplane, and he has no intention of ever doing so.
5. We just (decide) that we (undertake) the job.
6. He told me that he (take) a trip to California the following week.
7. I knew that this road (be) too narrow.
8. Right now I (attend) class. Yesterday at this time I (attend) class.
9. Tomorrow I'm going to leave for home. When I (arrive) at the airport, Mary (wait) for me.
10. Margaret was born in 1950. By last year, she (live) on this earth for 55 years .
11. The traffic was very heavy. By the time I (get) to Mary's party, everyone already (arrive)
12. I will graduate in June. I (see) you in July.
13. I (visit) my uncle's home regularly when I (be) a child.
14. That book (be) on the table for weeks. You (not read) it yet ?
15. David (wash) his hands. He just (repair) the TV set.
16. You (be) here before? Yes, I (spend) my holidays here last year.
17. We never (meet) him. We don't know what he (look) like.
18. The car (be) ready for him by the time he (come) tomorrow.
19. On arriving at home I (find) that she just (leave) a few minutes before.
20. When we (arrive) in London tonight, it probably (rain) .