bài tập về thì hiện tại hoàn thành, tương lai hoàn thành, quá khứ hoàn thành

1. 1. When I (arrive), the meeting (begin) for about an hour.
2. After Anne (ask) for help, she (finish) her assignment.
3. After the man (bite) by the dog, he (hit) it.
4. Tomorrow, I (pick) her up when she (arrive) at the station.
5. By 2020, Mrs. Brown (work) as a teacher for 18 years.
6. At this time last week, I (enjoy) the holiday with intimate family members in Paris.
7. Before David (come) back home, he (go) to his friend’s house.
8. I think we (decorate) the house before the party (start).
9. Lately, smart phone (become) pivotal device.
10. Last night, when I (iron) the clothes, I (hear) strange sound.
11. Once in a while, we (go) out with each other.
12. When she was young, she (go) to the gym regularly.
13. When they (live) in the old house, they (like) climbing mountains behind the house.
14. In recent years, the number of Internet users (rise) substantially.
15. I do not know “The gone with wind” (write) by whom.
16. The woman with whom I (work) for 5 years (be) Mary.
17. These days, a bridge (construct) in my neighborhood.
18. The cat (be) the apple of her eyes since she (bring) it home.
19. Before the little girl (take a rest), she (do) a lot of things.
20. By the time he (catch) a taxi, he (walk) some miles.
21. I (prepare) the meal then (go) out of the house to meet friends.
22. By 2015, the house (build) for 50 years.
23. That telephone (become) a common device to communicate since it (invent).
24. Next year, I (graduate) from the university after I (finish) the three last subjects.
25. Introduction To Management (be) my favorite subject.
26. As a result of laziness, she (fail) Microeconomics.
27. Last summer when I (be) that company, I (not like) the manager. Although the
employees there (work) very hard, they usually (shout) by his boss.
28. After the television (repair), it (sell) with $89.