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1. My brother must not/may be able to help you.
2. No way. This may/can't be true.
3. It can't/must take a long time to make a movie.
4. It might/must rain today.
5. That must/can't be her dad. They look alike.
1. Young people ______ obey their parents.
a. must
c. will
b. may
d. ought to
2. Laura, you and the kids just have dinner without waiting for me. I ______ work very hard today.
a. can
c. should
b. may
d. would
3. I ______ be delighted to show you round the factory.
a. ought to
c. might
b. would
d. can
4. Leave early so that you ______ miss the bus.
a. didn’t
c. shouldn’t
b. won’t
d. mustn’t
5. Jenny's engagement ring is enormous! It ______ have cost a fortune
a. must
c. will
b. might
d. should
6. You ______ to write them today.
a. should
c. had
b. must
d.ought
7. I hope I ______ find it.
a. will
c. could
b. shall
d. must
8. Unless he runs he______ catch the train.
a.will
c.wouldn’t
b. mustn’t
d.won’t
9. _____ you be in Rome tonight.
a. will
c. might
b. may
d. maybe
10. We ______ have time to help you tomorrow.
a. may
c. will
b. must
d. could.
11. “______ you hand me that pair of scissors, please?”
a. May
c. Shall
b. Will
d. Should
12. Jeanette did very badly on the exam. She _____ harder.
a.must have studied
c. could have studied
b. should have studied
d. must studied
13. He was very lucky when he fell off the ladder. He _____ himself.
a. could have hurt
c. must have hurt
b. should have hurt
d. will have hurt
14. Marcela didn’t come to class yesterday. She _____ an accident.
a. should have had
c. must have
b. might have
d. may have had
15. John still hasn’t come out. He ______ everything for the trip now.
a. must have been preparing
c. must be preparing
b. will be preparing
d. will have prepared
16. Thomas received a warning for speeding. He _____ so fast.
a. shouldn’t have driven
c. should have
b. would have driven
d. might have driven
17. The photos are black. The X-ray at the airport _____ them.
a. should have damaged
c. would have damaged
c. would damage
d. must have damaged
18. Tom didn’t do his homework, so the teacher became very angry. He _____ his homework.
a. must have done
b. should have done
c. might have
d. will have done
19. My car stopped on the high way. It _____ out of gas
a. may run
c. must be
b. may have run
d. should have run
20. Robert arrived without his book. He _____ it.
a. could have lost
c. would have lost
b. should have lost
d. will have lost
1. You should/may visit the Science Museum.
2. You might/can see viruses only through a microscope.
3. You don't have to/must not tell lies.
4. You would/ought to see a doctor soon.
5. You could/may help me with the dishes.
1. You should/may visit the Science Museum.
2. You might/can see viruses only through a microscope.
3. You don't have to/must not tell lies.
4. You would/ought to see a doctor soon.
5. You could/may help me with the dishes.
Underline the correct answer
If you like, I can/may make an appointment for you to see Dr Krall tomorrow.
Passengers mustn’t /don’t have to smoke while on board the plane.
Don’t let Sylvia climb that tree. She might/can fall.
You probably shouldn’t/ mustn’t keep your passport in that pocket: it could/ should easily be stolen.
I’m afraid Karen can’t/couldn’t come to the party tomorrow because she’s got flu.
Oh no! It mustn’t/can’t be 7 o’clock already. John and Graham will be here in fifteen minutes.
I absolutely ought to/have to leave the house at 6 if I want to be at the station by six-thirty.
Be careful, that pot’s very heavy. You have to/could hurt your back.
I have to/ must wear uniform at work according to the work principles.
Jack told his son: ‘Today, you have to/ must cut the grass in the garden.’
I’m not sure where he is now. He might/can be in his office.
When I was at high school, we had to/must wear uniform on Mondays.
He couldn’t/shouldn’t write until he was eight.
This is the first time Tom’s been to Germany. Fortunately, he will /can speak German.
1. I have to/might finish my homework before I go out.
2. I might/must call them today or it will be too late.
3. You would/must pay for your tickets before you board the train.
4. He revised so well for the exam that he was able to/had to finish before anyone else.
5. He should/might be late tonight.
she can't get home
i couldn't have made it without your help means
she will be able to meet him
tự chuyển - hok tốt
1. Rita might fail her driving test. But she can take it again.
=> If Rita fail her driving test, she can take it again.
2. Liverpool might lose. If they do, Terry will be upset.
=> If Liverpool loses, Terry will be upset.
3. The office may be closed. In that case, Mike won't be able to get in.
=> If the office closed, Mike won't be able to get in.
4. Cathy may arrive a bit early. If she does, she can help her mother to get things ready.
=> If Cathy arrive a bit early, she can help her mother to get things ready.
5. The party might go on all night. If it does, no one will want to do any work tomorrow.
=> If the party go on all night, no one will want to do any work tomorrow.
6. Alice may miss the train. But she can get the next one.
=> If Alice miss the train, she can get the next one.
7. Is Jack going to enter the race? He'll probably win it.
_____________________________________________
8. Stop talking or you won’t understand the lesson
_____________________________________________
9. Fail to pay and they will cut off the electricity.
_____________________________________________
10. Don’t touch that wire or you may get an electric shock.
_____________________________________________
1 Could
2 should
3 ought to
4 had better
5 will
6 could
7 would
8 will
9 Can
10 would
11 must
12 may
1 was
2 doesn't
3 was
4 will
5 am - isn't
6 should
7 won't
8 do
9 could
10 would - could - can't
1) MUST và HAVE TO đều có ý nghĩa là “phải”. Nhưng MUST diễn tả ý nghĩa bắt buộc do xuất phát từ ngoại cảnh còn HAVE TO diễn tả nghĩa “phải” do xuất phát từ chủ quan người nói. HAVE TO dùng được cho tất cả mọi thì con must chỉ dùng để nói về hiện tại hay tương lai.
2)Cả hai từ đều nói về khả năng của một sự việc, nhưng chúng ta dùng might khi khả năng xảy ra thấp (dưới 50%), còn dùng may khi khả năng xảy ra cao hơn (trên 50%). Ví dụ: I may go to Saigon tomorrow (khả năng cao)
3)MUST diễn tả sự cần thiết hay nghĩa vụ phải thực hiện xuất phát từ bản thân còn CAN dùng để diễn tả khả năng ai đó có thể làm gì.
4)Cả hai từ đều dùng để chỉ sự thành công trong việc thực hiện hành động“Can” chỉ có 2 dạng là “Can” – Hiện tại và “Could” – quá khứ. ... Can để diễn tả ai có thể làm việc gì ở hiện tại, còn be able to diễn tả ai có thể làm gì trong tương lai.
5)WILL và SHALL đều có nghĩa là sẽ làm gì đó, dùng trong thì tương lai đơn. SHALL thì đi với ngôi thứ nhất số ít và số nhiều (I, we, ...) * Tuy nhiên, nếu như để nhấn mạnh vàđể thể hiện sự quyết tâm, một lời hứa, thì chúng ta sẽ dùng ngược lại, tức là: WILL thì đi với ngôi thứ nhất số ít và số nhiều (I, we, ...)
Học Tốt