John would be taking a great risk if he _____ his money in that business.
A. would invest
B. invested
C. had invested
D. invests
2, if __ as I told her, she would have succeeded
A. she has done B. she had done C. she does D. she did
3, Will you be angry if I ____ your pocket dictionary?
A. stole B. have stolen C. were to steal D. steal
4. You made a mistake by telling her a lie. It _____ better if you ___ to her
A. would have been / hadn't lied
B. would be/ didn't lie
C. will be/ don't lie
D. would be / hadn't lied
5, John would be taking a great risk if he _____ his money in that business
A. would invest
B. invested
C. had invested
D. invests
6. She wouldn't have given them all that money if we ____ her to
A. wouldn't advise
B. won't advise
C. hadn't advised
D. didn't advise
7. if the wall weren't so high, he ___ it up to take his ball down
A. climbed
B. couldn't climb
C. is climbing
D. climbed
8. If the tree hadn't been so high, he ___ it up to take his kite down
A. could have climbed
B. climb
C. is climbing
D. climbed
2, if __ as I told her, she would have succeeded
A. she has done B. she had done C. she does D. she did
3, Will you be angry if I ____ your pocket dictionary?
A. stole B. have stolen C. were to steal D. steal
4. You made a mistake by telling her a lie. It _____ better if you ___ to her
A. would have been / hadn't lied
B. would be/ didn't lie
C. will be/ don't lie
D. would be / hadn't lied
5, John would be taking a great risk if he _____ his money in that business
A. would invest
B. invested
C. had invested
D. invests
6. She wouldn't have given them all that money if we ____ her to
A. wouldn't advise
B. won't advise
C. hadn't advised
D. didn't advise
7. if the wall weren't so high, he ___ it up to take his ball down
A. climbed
B. couldn't climb
C. is climbing
D. climbed
8. If the tree hadn't been so high, he ___ it up to take his kite down
A. could have climbed
B. climb
C. is climbing
D. climbed
Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions
John would be taking a great risk if he _______ his money in that business.
A. invested
B. had invested
C. invests
D. would invest
Kiến thức: Câu điều kiện loại 2
Giải thích:
Câu điều kiện loại 2 diễn tả giả thiết không có thật ở hiện tại.
Cấu trúc: If + S + V.ed, S + would + V
Để nhấn mạnh tính tiếp diễn, có thể dùng cấu trúc: If + S + V.ed, S + would + be + V.ing
Tạm dịch: John sẽ gặp rủi ro lớn nếu anh ấy đầu tư tiền vào công việc kinh doanh đó.
Chọn A
Bài 3: Chọn đáp án đúng.
1. I would have visited you before if there _____ quite a lot of people in your house.
A. hadn't B. hadn't been C. wouldn't be D. wasn't
2. If you had caught the bus, you _____ late for work.
A. wouldn't have been B. would have been
C. wouldn’t be D. would be
3. If I _____, I would express my feelings.
A. were asked B. would ask
C. had been asked D. asked
4. If _____ as I told her, she would have succeeded.
A. she has done B. she had done
C. she does D. she did
5. Will you be angry if I _____ your pocket dictionary?
A. stole B. have stolen C. were to steal D. steal
6. You made a mistake by telling her a lie. It _____ better if you _____ to her.
A. would have been / hadn't lied B. would be / didn't lie
C. will be / don't lie D. would be / hadn't lied
7. John would be taking a great risk if he _____ his money in that business.
A. would invest B. invested C. had invested D. invests
8. She wouldn't have given them all that money if we _____ her to.
A. wouldn’t advise B. won't advise
C. hadn't advised D. didn't advise
9. If the tree hadn't been so high, he _____ it up to take his kite down.
A. could have climbed B. climb
C. is climbing D. climbed
10. If the wall weren't so high, he _____ it up to take his ball down.
A. climbed B. could climb C. is climbing D. climb
11. If I _____ her phone number, I _____ her last night
A. had known / could have phoned B. knew / would have phoned
C. know / can phone D. knew / could phone
12. If he ______ the truth, the police wouldn’t arrest him.
A. tells B. told C. had told D. would tell
13. If you press that button what _____?
A. would happen B. would have happened
C. will happen D. happen
14. She says if she _____ that the traffic lights were red she _____.
A. had realized / would stop B. realized / could have stopped
C. has realized / stopped D. had realized / would have stopped
15. I am very thin. I think, if I _____ smoking, I might get fat.
A. stop B. had stopped C. will stop D. stopped
16. If I _____ that yesterday, I _____ them.
A. had discovered / would inform
B. had discovered / would have informed
C. had discovered / could inform
D. discovered / can inform
17. If you _______ to the course regularly, they ________ a certificate last year.
A. go / gave B. go / give
C. had gone / would have given D. went / would give
18. I think he is not at home. If he _____ in, he ______ the phone.
A. was / answered B. were / would answer
C. were / would have answered D.had been / would have answered
19. If I ______ in London now, I could visit British Museum.
A. were B. had been C. have been D. would be
20. If Columbus _______ money from Queen Isabella, he _______ across the Atlantic.
A. do not receive / could not sail
B. had not received / might not have sailed
C. did not receive / might not have sailed
D. would not receive / might not sail
Bài 3: Chọn đáp án đúng.
1. I would have visited you before if there _____ quite a lot of people in your house.
A. hadn't B. hadn't been C. wouldn't be D. wasn't
2. If you had caught the bus, you _____ late for work.
A. wouldn't have been B. would have been
C. wouldn’t be D. would be
3. If I _____, I would express my feelings.
A. were asked B. would ask
C. had been asked D. asked
4. If _____ as I told her, she would have succeeded.
A. she has done B. she had done
C. she does D. she did
5. Will you be angry if I _____ your pocket dictionary?
A. stole B. have stolen C. were to steal D. steal
6. You made a mistake by telling her a lie. It _____ better if you _____ to her.
A. would have been / hadn't lied B. would be / didn't lie
C. will be / don't lie D. would be / hadn't lied
7. John would be taking a great risk if he _____ his money in that business.
A. would invest B. invested C. had invested D. invests
8. She wouldn't have given them all that money if we _____ her to.
A. wouldn’t advise B. won't advise
C. hadn't advised D. didn't advise
9. If the tree hadn't been so high, he _____ it up to take his kite down.
A. could have climbed B. climb
C. is climbing D. climbed
10. If the wall weren't so high, he _____ it up to take his ball down.
A. climbed B. could climb C. is climbing D. climb
11. If I _____ her phone number, I _____ her last night
A. had known / could have phoned B. knew / would have phoned
C. know / can phone D. knew / could phone
12. If he ______ the truth, the police wouldn’t arrest him.
A. tells B. told C. had told D. would tell
13. If you press that button what _____?
A. would happen B. would have happened
C. will happen D. happen
14. She says if she _____ that the traffic lights were red she _____.
A. had realized / would stop B. realized / could have stopped
C. has realized / stopped D. had realized / would have stopped
15. I am very thin. I think, if I _____ smoking, I might get fat.
A. stop B. had stopped C. will stop D. stopped
16. If I _____ that yesterday, I _____ them.
A. had discovered / would inform
B. had discovered / would have informed
C. had discovered / could inform
D. discovered / can inform
17. If you _______ to the course regularly, they ________ a certificate last year.
A. go / gave B. go / give
C. had gone / would have given D. went / would give
18. I think he is not at home. If he _____ in, he ______ the phone.
A. was / answered B. were / would answer
C. were / would have answered D.had been / would have answered
19. If I ______ in London now, I could visit British Museum.
A. were B. had been C. have been D. would be
20. If Columbus _______ money from Queen Isabella, he _______ across the Atlantic.
A. do not receive / could not sail
B. had not received / might not have sailed
C. did not receive / might not have sailed
D. would not receive / might not sail
1. I would have visited you before if there _____ quite a lot of people in your house.
A. hadn't B. hadn't been C. wouldn't be D. wasn't
2. If you had caught the bus, you _____ late for work.
A. wouldn't have been B. would have been
C. wouldn’t be D. would be
3. If I _____, I would express my feelings.
A. were asked B. would ask
C. had been asked D. asked
4. If _____ as I told her, she would have succeeded.
A. she has done B. she had done
C. she does D. she did
5. Will you be angry if I _____ your pocket dictionary?
A. stole B. have stolen C. were to steal D. steal
6. You made a mistake by telling her a lie. It _____ better if you _____ to her.
A. would have been / hadn't lied B. would be / didn't lie
C. will be / don't lie D. would be / hadn't lied
7. John would be taking a great risk if he _____ his money in that business.
A. would invest B. invested C. had invested D. invests
8. She wouldn't have given them all that money if we _____ her to.
A. wouldn’t advise B. won't advise
C. hadn't advised D. didn't advise
9. If the tree hadn't been so high, he _____ it up to take his kite down.
A. could have climbed B. climb
C. is climbing D. climbed
10. If the wall weren't so high, he _____ it up to take his ball down.
A. climbed B. could climb C. is climbing D. climb
11. If I _____ her phone number, I _____ her last night
A. had known / could have phoned B. knew / would have phoned
C. know / can phone D. knew / could phone
12. If he ______ the truth, the police wouldn’t arrest him.
A. tells B. told C. had told D. would tell
13. If you press that button what _____?
A. would happen B. would have happened
C. will happen D. happen
14. She says if she _____ that the traffic lights were red she _____.
A. had realized / would stop B. realized / could have stopped
C. has realized / stopped D. had realized / would have stopped
15. I am very thin. I think, if I _____ smoking, I might get fat.
A. stop B. had stopped C. will stop D. stopped
16. If I _____ that yesterday, I _____ them.
A. had discovered / would inform
B. had discovered / would have informed
C. had discovered / could inform
D. discovered / can inform
17. If you _______ to the course regularly, they ________ a certificate last year.
A. go / gave B. go / give
C. had gone / would have given D. went / would give
18. I think he is not at home. If he _____ in, he ______ the phone.
A. was / answered B. were / would answer
C. were / would have answered D.had been / would have answered
19. If I ______ in London now, I could visit British Museum.
A. were B. had been C. have been D. would be
20. If Columbus _______ money from Queen Isabella, he _______ across the Atlantic.
A. do not receive / could not sail
B. had not received / might not have sailed
C. did not receive / might not have sailed
D. would not receive / might not sail
Bài 3: Chọn đáp án đúng.
1. I would have visited you before if there _____ quite a lot of people in your house.
A. hadn't B. hadn't been C. wouldn't be D. wasn't
2. If you had caught the bus, you _____ late for work.
A. wouldn't have been B. would have been
C. wouldn’t be D. would be
3. If I _____, I would express my feelings.
A. were asked B. would ask
C. had been asked D. asked
4. If _____ as I told her, she would have succeeded.
A. she has done B. she had done
C. she does D. she did
5. Will you be angry if I _____ your pocket dictionary?
A. stole B. have stolen C. were to steal D. steal
6. You made a mistake by telling her a lie. It _____ better if you _____ to her.
A. would have been / hadn't lied B. would be / didn't lie
C. will be / don't lie D. would be / hadn't lied
7. John would be taking a great risk if he _____ his money in that business.
A. would invest B. invested C. had invested D. invests
8. She wouldn't have given them all that money if we _____ her to.
A. wouldn’t advise B. won't advise
C. hadn't advised D. didn't advise
9. If the tree hadn't been so high, he _____ it up to take his kite down.
A. could have climbed B. climb
C. is climbing D. climbed
10. If the wall weren't so high, he _____ it up to take his ball down.
A. climbed B. could climb C. is climbing D. climb
11. If I _____ her phone number, I _____ her last night
A. had known / could have phoned B. knew / would have phoned
C. know / can phone D. knew / could phone
12. If he ______ the truth, the police wouldn’t arrest him.
A. tells B. told C. had told D. would tell
13. If you press that button what _____?
A. would happen B. would have happened
C. will happen D. happen
14. She says if she _____ that the traffic lights were red she _____.
A. had realized / would stop B. realized / could have stopped
C. has realized / stopped D. had realized / would have stopped
15. I am very thin. I think, if I _____ smoking, I might get fat.
A. stop B. had stopped C. will stop D. stopped
16. If I _____ that yesterday, I _____ them.
A. had discovered / would inform
B. had discovered / would have informed
C. had discovered / could inform
D. discovered / can inform
17. If you _______ to the course regularly, they ________ a certificate last year.
A. go / gave B. go / give
C. had gone / would have given
D. went / would give
18. I think he is not at home. If he___ in, he ______ the phone.
A. was / answered B. were / would answer
C. were / would have answered D.had been / would have answered
19. If I ______ in London now, I could visit British Museum.
A. were B. had been C. have been D. would be
20. If Columbus _______ money from Queen Isabella, he _______ across the Atlantic.
A. do not receive / could not sail
B. had not received / might not have sailed
C. did not receive / might not have sailed
D. would not receive / might not sail
1. I would have visited you before if there _____ quite a lot of people in your
house.
A. hasn't
B. hasn't been
C. wouldn't be
D. wasn't
2. If you had caught the bus, you _____ late for work.
A. wouldn't have been
B. would have been
C. wouldn't be
D. would be
3. If I _____, I would express my feelings.
A. were asked
B. would ask
C. had been asked
D. asked
4. If _____ as I told her, she would have succeeded.
A. she has done
B. she had done
C. she does
D. she did
5. Will you be angry if I _____ your pocket dictionary?
A. stole
B. have stolen
C. were to steal
D. steal
6. You made a mistake by telling her a lie. It _____ better if you _____ to her.
A. would have been / hasn't lied
B. would be / didn't lie
C. will be / don't lie
D. would be / hasn't lied
7. John would be taking a great risk if he _____ his money in that business.
A. would invest
B. Conc
C. had involved
D. invests
8. She wouldn't have given them all that money if we _____ her to.
A. wouldn't advise
B. won't advise
C. hadn't advised
D. didn't advise
9. If the tree hasn't been so high, he _____ it up to take his kite down.
A. could have climbed
B. climb
C. is climbing
D. climbed
10. If the wall weren't so high, he _____ it up to take his ball down.
A. climbed
B. could climb
C. is climbing
D. climb
11. If I _____ her phone number, I _____ her last night
A. had known / could have phoned
B. knew / would have phoned
C. know / can phone
D. knew / could phone
12. If he ______ the truth, the police wouldn't arrest him.
A. tells
B. told
C. had told
D. would tell
13. If you press that button what _____?
A. would happen
B. would have happened
C. will happen
D. happen
14. She says if she _____ that the traffic lights were red she _____.
A. had realized / would stop
B. realized / could have stopped
C. has realized / stopped
D. had realized / would have stopped
15. I am very thin. I think, if I _____ smoking, I might get fat.
A. stop
B. had stopped
C. will stop
D. stopped
16. If I _____ that yesterday, I _____ them.
A. had discovered / would inform
B. had discovered / would have informed \
C. had discovered / could inform
D. discovered / can inform
17. If you _______ to the course regularly, they ________ a certificate last
year.
A. go / gave
B. go / give
C. had gone / would have given
D. went / would give
18. I think he is not at home. If he _____ in, he ______ the phone.
A. was / answered
B. were / would answer
C. were / would have answered
D. had been / would have answered
19. If I ______ in London now, I could visit British Museum.
A. were
B. had been
C. have been
D. would be
20. If Columbus _______ money from Queen Isabella, he _______ across the
Atlantic.
A. do not receive / could not sail
B. had not received / might not have sailed
C. did not receive / might not have sailed
D. would not receive / might not sail
21. If she …………… the lottery last year, She ………… rich now.
A. have won / would be
B. had won / would be
C.won / would be
D. wins / will be
22. If I …………… the homework last night, I …………… bonus today.
A. had done / would get
B. had done / would have got
C. done / would get
D. does / will get
23. If we had played this game yesterday, we …………… a lot of money now.
A. will have
B. may have
C. would have had
D. would have
24. If it ……………… last night, it would be cold today.
A. had rained
B. rained
C. have rained
D. was raining
25. If she …………… to me, she ……………… in trouble right now.
A. had listened / would be
B. had listened / would have be
C. had listened / would not be
D. A & B
26. If it had rained one hour ago, the streets ………… wet now.
A. would have be
B. will be
C. be
D. would be
27. If I ………………. to the beach yesterday, I would be tired today.
A. have gone
B. goes
C. had gone
D. A & B
28. If they had gone to school yesterday, they ……… .. to the museum now
A. would go
B. will go
C. could go
D. A&C
29. If he had done exercise last night, he ……… soccer right now.
A. will play
B. can play
C. plays
D. could play.
30. If Nina had not gone out last week, she ……………… die now.
A. will
B. would
C. could
D. B&C
1. I would have visited you before if there _____ quite a lot of people in your
house.
A. hasn't
B. hasn't been
C. wouldn't be
D. wasn't
2. If you had caught the bus, you _____ late for work.
A. wouldn't have been
B. would have been
C. wouldn't be
D. would be
3. If I _____, I would express my feelings.
A. were asked
B. would ask
C. had been asked
D. asked
4. If _____ as I told her, she would have succeeded.
A. she has done
B. she had done
C. she does
D. she did
5. Will you be angry if I _____ your pocket dictionary?
A. stole
B. have stolen
C. were to steal
D. steal
6. You made a mistake by telling her a lie. It _____ better if you _____ to her.
A. would have been / hasn't lied
B. would be / didn't lie
C. will be / don't lie
D. would be / hasn't lied
7. John would be taking a great risk if he _____ his money in that business.
A. would invest
B. Conc
C. had involved
D. invests
8. She wouldn't have given them all that money if we _____ her to.
A. wouldn't advise
B. won't advise
C. hadn't advised
D. didn't advise
9. If the tree hasn't been so high, he _____ it up to take his kite down.
A. could have climbed
B. climb
C. is climbing
D. climbed
10. If the wall weren't so high, he _____ it up to take his ball down.
A. climbed
B. could climb
C. is climbing
D. climb
11. If I _____ her phone number, I _____ her last night
A. had known / could have phoned
B. knew / would have phoned
C. know / can phone
D. knew / could phone
12. If he ______ the truth, the police wouldn't arrest him.
A. tells
B. told
C. had told
D. would tell
13. If you press that button what _____?
A. would happen
B. would have happened
C. will happen
D. happen
14. She says if she _____ that the traffic lights were red she _____.
A. had realized / would stop
B. realized / could have stopped
C. has realized / stopped
D. had realized / would have stopped
15. I am very thin. I think, if I _____ smoking, I might get fat.
A. stop
B. had stopped
C. will stop
D. stopped
16. If I _____ that yesterday, I _____ them.
A. had discovered / would inform
B. had discovered / would have informed \
C. had discovered / could inform
D. discovered / can inform
17. If you _______ to the course regularly, they ________ a certificate last
year.
A. go / gave
B. go / give
C. had gone / would have given
D. went / would give
18. I think he is not at home. If he _____ in, he ______ the phone.
A. was / answered
B. were / would answer
C. were / would have answered
D. had been / would have answered
19. If I ______ in London now, I could visit British Museum.
A. were
B. had been
C. have been
D. would be
20. If Columbus _______ money from Queen Isabella, he _______ across the
Atlantic.
A. do not receive / could not sail
B. had not received / might not have sailed
C. did not receive / might not have sailed
D. would not receive / might not sail
10 câu còn lại bạn tự luyện nhé
III. Choose the best option.
20. I…………..out if I hadn’t been so tired.
a. will go b. went c. would have gone d. would go.
21. If I ………..a camera, I would have taken some pictures.
a. have b. had c. would have d. had had.
22. You won’t pass the examination……………you study more.
a. as long as b. unless c. if d. whether.
23. If only I …………you wanted to invest money in business.
a. had known b. knew c. have known d. know.
24. If I were to leave my country , I ……………disappointed.
a. probably be b. would have been c. will be d. would be.
25. If he hadn’t wasted too much time, he…………….in his examination.
a. would fail b. wouldn’t fail c. wouldn’t have failed. d. won’t fail.
26. If I had taken that English course, I ………..much progress.
a. had made b. would have made c. made d. would make.
20. I _would go_ out if I hadn't been so tired
21. If I _had_ a camera, I would have taken some pictures
22. You won't pass the examination _unless_ you study more
23. If only I _knew_ you wanted to invest money in business
24. If I were to leave my country, I _would be_ disappointed
25. If he hadn't wasted too much time, he _wouldn't have failed_ in his examination
26. If I had taken that English course, I _would have made_ much progress
III. Choose the best option.
20. I…………..out if I hadn’t been so tired.
a. will go b. went c. would have gone d. would go.
21. If I ………..a camera, I would have taken some pictures.
a. have b. had c. would have d. had had.
22. You won’t pass the examination……………you study more.
a. as long as b. unless c. if d. whether.
23. If only I …………you wanted to invest money in business.
a. had known b. knew c. have known d. know.
24. If I were to leave my country , I ……………disappointed.
a. probably be b. would have been c. will be d. would be.
25. If he hadn’t wasted too much time, he…………….in his examination.
a. would fail b. wouldn’t fail c. wouldn’t have failed. d. won’t fail.
26. If I had taken that English course, I ………..much progress.
a. had made b. would have made c. made d. would make.
Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
Had he known more about the internet, he would have invested in some computer companies
A. Knowing about the internet help him invest in some computer company
B. He didn’t know much about the internet and he didn’t invest in any computer companies
C. Knowing about the internet, he would have invested in some computer companies
D. He W'ould have invested in some computer companies without his knowledge of the internet
Đáp án B
Nếu anh ta biết nhiều hơn về internet, anh ta sẽ đầu tư vào một số công ty máy tính
A. Biết về internet giúp anh ta đầu tư vào một số công ty máy tính
B. Anh ấy không biết nhiều về internet và anh ấy không đầu tư vào công ty máy tính nào
C. Biết về internet, anh ta sẽ đầu tư vào một số công ty máy tính
D. Anh ta sẽ đầu tư vào một số công ty máy tính mà không cần hiểu biết về Internet
Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
Had he known more about the information technology, he would have invested in some computer companies.
A. Not knowing about the information technology help him invest in some computer company.
B. He didn't know much about the information technology and he didn't invest in any computer companies.
C. Knowing about the information technology, he would have invested in some computer companies.
D. He would have invested in some computer companies without his knowledge of the information technology.
Kiến thức: Câu điều kiện
Tạm dịch:
Nếu anh đã biết nhiều hơn về công nghệ thông tin, anh hẳn sẽ đầu tư vào một số công ty máy tính.
A. Không biết về công nghệ thông tin giúp anh đầu tư vào một số công ty máy tính.
B. Anh đã không biết nhiều về công nghệ thông tin và anh đã không đầu tư vào bất kỳ công ty máy tính nào.
C. Biết về công nghệ thông tin, anh đã đầu tư vào một số công ty máy tính.
D. Anh đã đầu tư vào một số công ty máy tính mà không có kiến thức về công nghệ thông tin.
Câu A, C, D nghĩa không phù hợp.
Chọn B
Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions
Had he known more about the internet, he would have invested in some computer companies
A. Knowing about the internet help him invest in some computer company
B. He didn’t know much about the internet and he didn’t invest in any computer companies
C. Knowing about the internet , he would have invested in some computer companies
D. He would have invested in some computer companies without his knowledge of the internet
Đáp án B
Nếu anh ta biết nhiều hơn về internet, anh ta sẽ đầu tư vào một số công ty máy tính
A. Biết về internet giúp anh ta đầu tư vào một số công ty máy tính
B. Anh ấy không biết nhiều về internet và anh ấy không đầu tư vào công ty máy tính nào
C. Biết về internet, anh ta sẽ đầu tư vào một số công ty máy tính
D. Anh ta sẽ đầu tư vào một số công ty máy tính mà không cần hiểu biết về Internet
Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
Had he known more about the internet, he would have invested in some computer companies
A. Knowing about the internet help him invest in some computer company
B. He didn’t know much about the internet and he didn’t invest in any computer companies
C. Knowing about the internet , he would have invested in some computer companies
D. He would have invested in some computer companies without his knowledge of the internet
B
Nếu anh ta biết nhiều hơn về Internet, anh ta đã đầu tư vào một số công ty máy tính
A. Biết về internet giúp anh ta đầu tư vào một số công ty máy tính
B. Anh ấy không biết nhiều về internet và anh ấy không đầu tư và máy tính
C. Biết nhiều về Internet, anh ta đã đầu tư vào một số công ty máy tính
D. Anh ta sẽ đầu tư vào một số công ti máy tính mà không cần hiểu về Internet
Câu đầu bài là câu điều kiện loại 3 ( dùng để nói về sự việc ngược với thực tế trong quá khứ)
Đáp án B