AFTER + S + V (hiện tại hoàn thành), S + V (hiện tại đơn)
Eg: After she has done her homework, she goes out for a walk.
BEFORE
diễn tả hành động
xảy ra xong trước
khi có hành động
khác tới
Trong QUÁ KHỨ:
BEFORE + S + V (quá khứ đơn), S + V (quá khứ hoàn thành)
Eg: Before she went to bed, she had locked all the doors.
Trong TƯƠNG LAI:
BEFORE + S + V (hiện tại đơn), S + V (tương lai hoàn thành)
Eg: Hurry up or the film will have ended before we go to the movie.
UNTIL/
TILL
diễn tả nghĩa “cho
tới khi”
S + V (tương lai đơn)/ V(bare)/DON’T + V(bare) + UNTIL/TILL + S +
V (hiện tại đơn/hiện tại hoàn thành)
Eg: I will wait for you until it is possible.
Wait here until I come back.
BÀI TẬP ÁP DỤNG 4
1. Jane________law at Harvard for four years now.
A. is studying
B. has been studying
C. studies
D. studied
2. This time tomorrow________on the beach sunbathing and drinking freshly squeezed fruit juice!
A. I’ll have been lying
B. I will lie
C. I will be lying
D. I will have lain
3. We________for three hours and we are very tired.
A. waited
B. have been waiting
C. wait D. had waited
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4. She________for hours. That’s why her eyes are red now.
A. cried
B. has been crying
C. was crying
D. has cried
5. When I last saw him, he________in London.
A. is living
B. has been living
C. was living
D. lived
6. By the time he arrives here tomorrow, they________for London.
A. would have left
B. will have left
C. will left
D. are leaving
7. Mr. Pike________English at our school for 20 years before he retired last year.
A. had been teaching
B. has been teaching
C. was teaching
D. is teaching
8. They________for Japan at 10.30 tomorrow.
A. will be leaving
B. have left
C. will have left D. will leave
9. When I________to the airport, I realized that I________my passport at home.
A. got/had left
B. got/left
C. had got/had left
D.
got/was left
10. I________was angry when you saw me because I________with my sister.
A. have been arguing
B. had been arguing
C. argued
D. would
argue
11. Call me as soon as you________your test results.
A. get
B. will get
C. will have got D. got
12. I________to Greece until Sally and I went there last summer.
A. have never been
B. had never been
C. was never being
D.
were never
13. I________ along the street when I suddenly heard footsteps behind me.
A. was walking
B. am walking
C. walk D. walked
14. He occasionally________a headache in the morning.
A. has had
B. has
C. have D. is having
15. The boy fell while he________down the stairs.
A. run
B. running
C. was running D.runs
16. I will come and see you before I________for America.
A. leave
B. will leave
C. have left
D. left
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17. When the first child was born, they _______ for three years.
A. have been married
B. had been married
C. will be married
D. will have been married
18. It________a long time since we were apart. I did not recognize her.
A. is
B. has been
C. was D. had been
19. Many of the people who attended Mr. David’s funeral________him for many years.
A. didn’t see
B. wouldn’t see
C. haven’t seen D. hadn’t seen
20. We were both very excited about the visit, as we________each other for________ages.
A. never saw
B. didn’t see
C. hadn’t seen D. haven’t
seen
21. In one year’s time, she________for this company for 15 years.
A. will be working
B. will have been working
C. will work
D. has worked
22. His health has improved a lot since he________doing exercises regularly.
A. starts
B. started
C. has started
D. had started
23. She hurt herself while she________hide-and-seek with her friends.
A. is playing
B. had played
C. played
D. was
playing
24. .What________at 9 o’clock last night? I phoned you but couldn’t get through to you.
A. did you do
B. were you doing
C. would you do D. had you
done
25. It is raining heavily with rolls of thunder. We________such a terrible thunderstorm.
A. would never see
B. had never seen
C. have never seen
D.
never see
26. I _______ my old teacher last week.
A. visited
B. visit
C. am visiting
D. have
visited
27. My brother usually ________me for help when he has any difficulties with his homework.
A. ask
B. asks
C. asked D. has asked
28. I ______ all of my homework last night.
A. finish
B. will finish
C. have finished D. finished
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29. Lan________ learning English a few years ago.
A. starts
B. will start
C. started
D. is starting
30. Only after she________from a severe illness did she realize the importance of good health.
A. would recover
B. has recovered
C. had recovered
D. was recovering
31. Only after the bus________for a few miles did Jane realize she was on the wrong route.
A. was running
B. had run
C. has run
D. runs
32. The children________to bed before their parents came home from work.
A. were all going
B. had all gone
C. had all been going
D.
have all gone
33. Paul noticed a job advertisement while he________along the street.
A. was walking
B. would walk
C. walked
D. had walked
34. I haven’t met him again since we________school ten years ago.
A. have left
B. leave
C. left
D. had left
35. For the last 20 years, we________significant changes in the world of science and technology.
A. witness
B. have witnessed
C. witnessed
D. are
witnessing
36. My best friend Lan________to England 10 years ago.
A. was moving
B. moves
C. moved
D. has moved
37. Mr.Pike________for this company for more than thirty years, and he intends to stay here until he________.
A. worked/retires
B. works/is retiring
C. has been working/retires
D. is working/will retire
38. While I________at the bus stop, three buses went by in the opposite direction.
A. was waiting
B. waited
C. had waited
D. were
waiting
39. By the end of last March, I________English for five years.
A. had been studied
B. had been studying
C. will have been studying
D. will have studied
40. ________Alan for hours but he hasn’t answered his mobile. I hope nothing’s wrong.
A. I call
B. I’ve been calling
C. I’m calling
D. called
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41. We________in silence when he suddenly________me to help him.
A. walked - was asking
B. were walking - asked
C. were walking - was asking
D. walked - asked
42. By the time the software________on sale next month, the company________$2 million on developing it.
A. went - had spent
B. will go - has spent
C. has gone - will spend D. goes - will have spent
43. When Carol________last night, I________my favorite show on television.
A. called /was watching B. had called /watched
C. called /have watched D. was calling /watched
44. Linda took great photos of butterflies while she________in the forest.
A. was hiking
B. is hiking
C. hiked D. had hiked
45. When I________for my sister in front of the supermarket, a strange man came to talk with me.
A. was waiting
B. waited
C. had waited
D. were
waiting
46. Over the past 30 years, the average robot price________by half in real terms, and even further relative to
labor costs.
A. is fallen
B. has fallen
C. were fallen
D. have fallen
47. When I came to visit her last night, she________a bath.
A. is having
B. was having
C. has had
D. had had
48. John________in the same house since he left school.
A. lived
B. had lived
C. was living
D. has lived
49. Since Tom________, I have heard nothing from him.
A. had left
B. left
C. has left
D. was left
50. He will take the dog out for a walk as soon as he _______ dinner.
A. finish
B. has finished
C. will finish
D. finished
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