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Đáp án đề thi THPT Quốc Gia 2021

Bài tập câu điều kiện (Conditional Tenses) có đáp án chi tiết

Bài tập câu điều kiện (Conditional Tenses) có đáp án chi tiết

B.   BÀI TẬP ÁP DỤNG

Bài tập

Exercise 1: Kết hợp câu dùng câu điều kiện

  1. He can't go out because he has to study for his exam.

®If ................................................................................................................................................................

  1. She is lazy so she can't pass the exam.

®If .................................................................................................................................................................

  1. He smokes too much; that's why he can't get rid of his cough.

®If ................................................................................................................................................................

  1. I can't play football this afternoon because I felt tired.

®If .................................................................................................................................................................

  1. Olga and Ivan weren't paying attention, so they didn't see the sign marking their exit from the highway.

®If .................................................................................................................................................................

  1. She can't be employed because she doesn't have a college degree.

®If .................................................................................................................................................................

  1. She walked to the meeting. She was late.

®If ................................................................................................................................................................

  1. Unless you promise to return back, I won't lend you.

®If ................................................................................................................................................................

  1. We put off our trip because the weather was terrible.

®If ................................................................................................................................................................

  1. Sally doesn't know what she has to do for homework because she was absent from school on Friday.

®If .................................................................................................................................................................

  1. If you do not like this one, I'll bring you another.

®Unless .........................................................................................................................................................

  1. Martin failed his driving test last week because he was very nervous.

®But for.........................................................................................................................................................

  1. He will pay me tonight; I will have enough money to buy a car.

®If ................................................................................................................................................................

  1. Leave me alone or I'll call the police.

®If ................................................................................................................................................................

  1. If you arrive at the office earlier than I do, please turn on the air-conditioner.

®Should.........................................................................................................................................................

  1. He died so young; otherwise, he would be a famous musician by now.

®Had it ..........................................................................................................................................................

  1. The car breaks down so often because you don't take good care of it.

®Were you ...................................................................................................................................................

  1. Don’t tell lies to your boss or you'll be fired at once.

®If .................................................................................................................................................................

  1. He didn't revise all his lessons, so he failed the exam.

 

 

 

 

 

  1. Rita is exhausted today because she didn't get any sleep last night.

®If .................................................................................................................................................................

 

 

Exercise 2: Chọn phương án đúng

  1. George wouldn't have met Mary          to his brother's graduation party.
    1. if he has not gone B. had not he gone

C. had he not gone D. if he shouldn't have gone

  1.   ten minutes earlier, you would have got a better seat.
    1. Were you arrived B. If you arrived C. If you hadn't arrived D. Had you arrived
  2. If she           a car, she would go out in the evening.
    1. have B„ has C. has had D. had
  3. Without your help, I           the technical problem with my computer the other day.
    1. can't solve B. couldn't have solved  C. Couldn't solve D. Weren't solved
  4. The joke would not be funny if it           into French.
    1. has been translated B. be translated C. was be translated D. were translated
  5. We           on the beach now if we hadn't missed the plane
    1. might have lain B. would lie C. could be lying D. would have lain
  6. I think you should stop smoking.
    1. If I am you, I will stop smoking. B. If I had been you, I would stop smoking,

C. If I were you, I would stop smoking. D. If I were you, I will stop smoking.

  1. If he had been more careful, he           
    1. won't fall B. wouldn't fall C. wouldn't have fallen D. would haven't fallen
  2. His health would be improved           
    1. if he continued to smoke heavily B. unless he stopped smoking heavily

C. if he gave up smoking D. if only he doesn't smoke any more.

  1. He was driving very fast because he didn't know the road was icy.
    1. If he knew the road was icy, he wouldn't drive so fast.
    2. He hadn't been driving very fast if he would have known the road was icy.
    3. If he had known the road was icy, he wouldn't have been driving so fast.
    4. He wasn't driving very fast if he would know the road was icy.
  2. I didn’t know that you were at home. I didn't visit you.
    1. If I knew that you were at home, I would visit you.
    2. If I had known that you were at home, I would have visited you.
    3. If I knew that you had been at home, I would have visited you.
    4. If I would know that you were at home, I visited you.
  3. If Nam had passed the GCSE examination, he               to take the entrance examination to the university.
    1. would have been allowed B. would have allowed

C. will have allowed D. would allow

 

 

 

 

 

A. would not be B. must not be

C. could not have been D. would not have been

  1. She helped us a lot with our project. We couldn't continue without her.
    1. Unless we had her contribution, we could continue with the project.
    2. But for her contribution, we could have continued with the project.
    3. If she hadn't contributed positively, we couldn't have continued with the project.
    4. Provided her contribution wouldn't come, we couldn't continue with the project.
  2. What noisy neighbors you've got! If my neighbors            as bad as yours, I         crazy.
    1. are; will go B. were; would go

C. had been; would have gone D. are; would go

  1. If he            the lesson yesterday, he could do the test better today.
    1. has reviewed B. had reviewed C. will review D. reviewed
  2. If I hadn't had so much work to do, I would have gone to the movies.
    1. I never go to the movies if 1 had work to do.
    2. Because I had to do so much work, I couldn't go to the movies.
    3. I would go to the movies when I had done so much work.
    4. A lot of work couldn't prevent me from going to the movies.
  3. Unless you            well-trained, you         to the company.
    1. aren't; will never be admitted B. aren't; will never admit

C. are; will never be admitted D. are; will never admit

  1. If the prisoners attempt to escape from prison,           immediately.
    1. they will have caught B. they will catch

C. they will be caught D. they would be caught

  1. If it            warm yesterday, we would have gone to the beach.
    1. was B. were C. had been D. could be.

 

Exercise 3: Tìm lỗi sai và sửa cho đúng

  1. If Lucia had been here now, she would find out the truth about her uncle's accident. A B C D
  2. Unless we leave a bowl of water under the sun, it will evaporate. A B C D
  3. If I had knew the time when the match started, I would have told you. A B C D
  4. If I am 10 centimeters taller, I would play basketball. A B C D
  5. If the doctors could find in the remedy, a lot of people would be saved. A B C D
  6. If I had realized that the traffic lights were red, I would stop. A B C D

 

 

 

 

 

A B C D

  1. If I had known he is not at home, I wouldn't have gone all the way to his house. A B C D
  2. If had I known you were in financial difficulty, I would have helped you. A B C D
  3. If I were you, I will go to the dentist's and have the tooth checked. A B C D
  4. If you hadn't left the car unlocked, it wouldn't have be stolen. A B C D
  5. What would happen because I pressed that red button? A B C D
  6. If the weather is fine today, we would go to the beach. A B C D
  7. If you will study harder, you will surely pass the coming exams with good results. A B C D
  8. If the weather weren't too bad, we would to go swimming. A B C D
  9. If he weren't too old, he would apply to the job as a war reporter. A B C D
  10. If drivers obeyed the speed limitfewer accidents occur. A B C D
  11. If I would have studied Russian at school, I would have understood him easily. A B C D
  12. If tomorrow the weather will be bad, the match will be postponed. A B C D
  13. If you saw Mike today, please ask him to phone me. A B C D

 

Đáp án 

Exercise 1

STT

Đáp án

Giải thích chi tiết

1

If he didn’t have to study

Ta có:

 

for his exam, he could go

+ Giữa hai mệnh đề được kết nối bằng liên từ "because" thì ta

 

out.

viết mệnh đề điều kiện bằng mệnh đề sau "because".

 

 

+ Động từ trong mệnh đề "because" là "has to study" (hiện tại

 

 

đơn) nên ta sẽ viết mệnh đề “if” bằng điều kiện loại 2 và ở thể

 

 

phủ định (If he didn't have to study for his exam) và mệnh đề

 

 

chính ở thế khẳng định của điều kiện loại 2 (he could go out). Vì

 

 

thể của mệnh đề trong câu điều kiện luôn ngược với câu ban

 

 

đầu.

 

 

 

 

2

If she weren't lazy, she could pass the exam.

Ta có:

+ Giữa hai mệnh đề được kết nối bằng liên từ "so" thì ta viết mệnh đề điều kiện bằng mệnh đề trước “so".

+ Động từ trong mệnh đề trước "so" là "is" (hiện tại đơn) nên ta sẽ viết mệnh đề "if" bằng điều kiện loại 2 và ở thể phủ định (If she weren't lazy) và mệnh đề chính ở thể khẳng định của điều kiện loại 2 (she could pass the exam). Vì thể của mệnh đề trong

câu điều kiện luôn ngược với câu ban dầu.

3

If she didn't smoke too much; she could get rid of his cough.

Ta có:

+ Giữa hai câu được ngắt bằng dấu (;) thì ta viết mệnh đề điều kiện bằng mệnh đề thứ nhất.

+ Động từ trong mệnh đề thứ nhất là “smokes" (hiện tại đơn) nên ta sẽ viết mệnh đề "if" bằng điều kiện loại 2 và ở thể phủ định (If she didn't smoke too much) và mệnh đề chính ở thể khẳng định của điều kiện loại 2 (she could get rid of his cough). Vì thể của mệnh đề trong câu điều kiện luôn ngược với câu ban

đầu.

4

If I hadn't felt tired, I could play football this afternoon.

Ta có:

+ Giữa hai mệnh đề được kết nối bằng liên từ "because" thì ta

viết mệnh đề điều kiện bằng mệnh đề sau "because".

+ Động từ trong mệnh đề "because" là "felt" (quá khứ đơn) nên ta sẽ viết mệnh đề "if" bằng điều kiện loại 3 và ở thể phủ định (If I hadn't felt tired và mệnh đề chính ở thể khẳng định của điều kiện loại 2 (I could play football this afternoon). Vì thể của mệnh đề trong câu điều kiện luôn ngược với câu ban đầu.

®Điều kiện kết hợp (loại 3 + loại 2).

5

If Olga and Ivan had been paying attention, they would have seen the sign marking their exit from the highway

Ta có:

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