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11. This is the key. You……..forget to take it with you when going out
. A. should B. have to C. mustn't D. needn't
12. You………..introduce me to Dr. Gray. We have already met.
A. shouldn't B. needn'tC. mustn'tD. couldn't
13. "I have got a headache.- "You………..go to see the doctor."
A. may B. Could C. Should D. might
14.1………find my own way there. You ……wait for me.
A. should ?can't B. have to / must C. can/needn't D. might / mustn't
15. You ……. take your umbrella along with you today. It……… rain later on this afternoon.
A. ought to mustn't B. needn't/ willC. will / must D. should/might
16. I am not deaf. You………shout.
A. must B. mustn't C. Need D. needn't
17. I do not mind at all. You .........apologize.
A. shouldn't B. needn't C. mustn't D. oughtn't to
18. It is a top secret. You_ _tell anyone about it.
A. mustn't B. needn'tC. mightn't D. won't
19. We have plenty of time for doing the work. We………… be hurried.
A. needn't B. shouldn't C. mustn'tD. mayn't
20. Susan………. hear the speaker because the crowd was cheering so loudly.
A. mustn't B. couldn't C. can’t D. needn’t
Lan wasn't here,so she couldn't help me with these exercises(because)
Lan couldn't help me with these exercises because she wasn't here.
We won't rent this house because the neighborhood is noisy (so)
The neighborhood is noisy so we won't rent this house.
Mai couldn't attend the meeting because she was busy(so)
Mai was busy so she couldn't attend the meeting.
Households dump waste into the river ,so it is polluted(because)
The river is polluted because households dump waste into it.
Leaves are damaged ,so the tree can not get enough food energy to stay healthy(because)
Because the tree can not get enough food energy to stay healthy, leaves are damaged.
There are so many billboard in our city. People can not enjoy the view(If)
If there are so many billboard in our city, people can not enjoy the view.
I don't have enough money.I can not buy that car(If)
If I don't have enough money, I can not buy that car.
There are too much light in the city at night.We can not see the stars clearly(If)
If there are too much light in the city at night, we can not see the stars clearly.
Mai has a headache after work every day .She works in a noisy office(If)
If Mai works in a noisy office, she has a headache after work every day .
VII. Choose the sentence which has the same meaning as the root one.
1. " I couldn't have made it without your help' means
A. I couldn't have made it if you helped me.
B. I couldn't have made it if you had helped me.
C. I couldn't have made it if you hadn't helped me.
D. I couldn't have made it if you didn't help me.
2. She didn't stop her car because she didn't see the signal.
A. If she saw the signal, she would stop her car.
B. If she had seen the signal, she would stop her car.
C. If she had seen the signal, she would have stopped her car.
D. If she saw the signal, she would have stopped her car.
3. His flight was deplayed so he couldn't be here on time.
A. He would be here in time if his flight were not deplayed.
B. He would have been here in time if his flight hadn't been deplayed.
C. He would be here in time if his flight hadn't been deplayed.
D. He would have been here in time if his flight weren't deplayed.
4. Without your help, I couldn't overcome the problem.
A. If you don't help me, I can't overcome problem.
B. If you didn't help me, I couldn't overcome problem.
C. If you hadn't helped me, I couldn't overcome problem.
D. If you hadn't helped me, I couldn't have overcome problem.
Đáp án: A
Giải thích: because + mệnh đề: bởi vì
could have PII: đã có thể làm gì
Dịch: Anh ta không thể phạm tội được bởi anh ta đã ở bên tôi ngày hôm đó.
1. We could do the test . It was very difficult (although)
=> Although the test was very difficult , we could do it
2.Tom couldn't go too school. He was ill ( so...that)
=> Tom was ill so that he couldn;t go to school
3.Solar anergy is cheap . It is also clean ( not only ... but also )
=> Solar energy is not only cheap but also clean
4. They arrived very late . They didn't see the beginning of the film (so...that)
=> They arrived very late so that they didn't see the beginning of the film
5.It was an expensive car . We couldn't afford to buy it(such)
=> It was such an expensive car that we couldn't afford to buy
6. There was few people at the meeting . It was cancelled(because)
=> The meeting was cancelled because there was few people at this
7.. We couldn't understand her because she spoke too fast (Therefore)
=> She spoke too fast,therefore we couldn;t understand her
8.I've meet too many people. I can't remember all their name (because)
=> I can't remember all their name because I've meet too many people
9. These exercise are very difficult . She can't do them (such...that)
=> These are such difficult exercise that she can't do them
10. It rained heavily . They went to school(despite)
=> Depite rainning heavily, they went to school
11. I can't go with you . I have a lot of work to do(Because of)
=> Because of having a lot of working, I can't go with you
1. We could do the test . It was very difficult (although)
Although the test was very difficult, we could do it
2.Tom couldn't go too school. He was ill ( so...that)
Tom was so ill that he couldn't go to school
3.Solar anergy is cheap . It is also clean ( not only ... but also )
Not only is solar energy cheap but it also clean
4. They arrived very late . They didn't see the beginning of the film (so...that)
They arrived so late that they didn't see the beginning of the film
5.It was an expensive car . We couldn't afford to buy it(such)
Such an expensive car ! We couldn't afford to buy it
6. There was few people at the meeting . It was cancelled(because)
It was cancelled because there was few people at the meeting
7.. We couldn't understand her because she spoke too fast (Therefore)
8.I've meet too many people. I can't remember all their name (because)
I can't remember all people name because I've met too many people
9. These exercise are very difficult . She can't do them (such...that)
It's such a difficult exercise that she can't do them
10. It rained heavily . They went to school(despite)
Despite heavy rain, they went to school
11. I can't go with you . I have a lot of work to do(Because of)
Because of doing a lot of work, I can't go with you
viết loại 2 câu có điều kiện
1.I can't come to the beach with you because I have to do my homework
-> If I didn't have to do my homework, I could come to the beach with you.
2.I won't intive him to the party because he is so rude
-> If he weren't so rude, I would invite him to the party.
3.I won't go to the cinema because I don't like the film
-> If I liked the film, I would go to the cinema.
4.I can't give you a lift because I don't have a car
-> If I had a car, I could give you a lift.
5.She won't cook for us because she doesn't have time
-> If she had time, she would cook for us.
6.We won't buy this computer because we can't afford it
-> If we could afford it, we would buy this computer.
7.I can't visit her because I don't have her address
-> If I had her address, I could visit her.
8.She won't get the job because she doesn't speak French
-> If she spoke French, she would get the job.
9.She won't marry him because she doesn't love him
-> If she loved him, she would marry him.
10.We can't watch the movie because the DVD player is broken
-> If the DVD palyer weren't broken, we could watch the movie.
1.''If I were you,I would study harder,''he said to me.
->He advised me to study harder.
2.His car can't run as fast as mine.
->My car runs faster than his car.
3.The picture was so high that the little boy couldn't tough it.
->The picture was high enough that the little boy couldn't tough it.
4.The deer doesn't eat meat and hippopotamus doesn't eat meat either.
->Neither the deer nor hippopotamus eats meat.
5.Reading scientific books in my interest.
->I am interested in reading scientific books.
6.He can't get the job because he isn't good at English.
->If he was good at English, he could get the job.
7.''Which one do you want,the blue or the green one?''John said to her.
->John asked her whether she wanted, the blue or the green one.
1. he advised me to study harder
2. my car can run faster than his car dose
3. the picture was too high for the little boy to touch
4. neither the deer nor the hipopotamus eats meat
5. I am interested in reading scientific books
6. If he is good at Enghlish, he can get the job
7. Jonh asked her which one she wanted, the blue or the green one
D