Lý thuyết và bài tập về Câu điều kiện - Nguyễn Quỳnh Trang


(Conditional Sentences)

 Định Nghĩa Câu Điều Kiện

Câu điều kiện dùng để nêu lên một giả thiết về một sự việc, mà sự việc đó chỉ có thể xảy ra khi

điều kiện được nói đến xảy ra. Câu điều kiện gồm có hai phần (hai mệnh đề):

 Mệnh đề nêu lên điều kiện (còn gọi là mệnh đề IF) là mệnh đề phụ hay mệnh đề điều kiện

 Mệnh đề nêu lên kết quả là mệnh đề chính. Ví dụ: If it rains - I will stay at home. Mệnh đề

điều kiện - mệnh đề chính (Nếu trời mưa - tôi sẽ ở nhà.)

Hai mệnh đề trong câu điều kiện có thể đổi chổ cho nhau được: nếu mệnh đề chính đứng trước thì

giữa hai mệnh đề không cần dấu phẩy, ngược lại thì phải có dấu phẩy ở giữa. Ví dụ: You will pass

the exam if you work hard. (Bạn sẽ vượt qua kỳ thi nếu bạn học tập chăm chỉ.) => If you work

hard, you will pass the exam. (Nếu bạn học tập chăm chỉ, bạn sẽ vượt qua kỳ thi).

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bank now. a. work B. will work C. have worked D. would work 17. The death rate would decrease if hygienic conditions __________improved. a. was B. is C. were D. had been 18-The education in Japan __________if the basic principles of education had not been taken into consideration. a. would go down B. would have gone down c. went down D. had gone down 19. If there __________, the rice fields could have been more productive. a. had been enough water B. were enough water c. would be enough water D. are enough water 20. The patient will not recover unless he __________ an operation. a. had undergone B. would undergo C. undergoes D. was undergoing 21. If she __________ him, she would be very happy. a. would meet B. will meet C. met D. should meet 22-If he __________ a thorough knowledge of English, he could have applied for this post. a. had had B. had C. has D. has had 23. If I had enough money, I__________ abroad to improve my English. a. will go B. would go C. went D. should have go to 24.The bench would collapse if they __________on it. a. stood B. stand C. standing D. Stands 25-If it __________convenient, let’s go out for a drink tonight, a. be B. is C. was D. were GV: Nguyễn Quỳnh Trang Facebook: lopcoquynhtrang Moon.vn - Học để khẳng định mình 17 Hotline: 0432 99 98 98 Bài tập 7: Chia dạng đúng của từ trong ngoặc 1. If you take my advice, you (be) happy. 2. What would you do if you (be) me? 3. If you (lend) me some books I will give them back in two weeks. 4. I (send) her a letter if I had found her address. 5. She (not/steal) the bread if she hadn’t been hungry. 6. If she (come) here I will tell her about the film. 7. I will be unhappy if you (leave) me. 8. If you hadn’t been so crazy you (not/buy) this expensive house. 9. If the sun (shine) I will go to the beach. 10. If I (win) the lottery I would leave my country. Bài tập 8: Chia dạng đúng của từ trong ngoặc 1. we (have) enough time if we wanted to see the castle? 2. In case you (buy) a car, will you teach me to drive? 3. If I(not be) in a hurry, I wouldn’t have made so many mistakes. 4. She won’t finish it on time if she (not start) right now. 5. She (get angry) if you had told her. 6. On condition that they (support) our product, they would get a discount. 7. Even if I (ask) him, he won’t come. 8. Had I driven slowly, I (not crash) 9. It will be a disaster unless they (help) us. 10. If you (have) something to eat, you wouldn’t have felt sick. GV: Nguyễn Quỳnh Trang Facebook: lopcoquynhtrang Moon.vn - Học để khẳng định mình 18 Hotline: 0432 99 98 98 11. I wouldn’t risk it if I (be) you. 12. She would get fat if she (not stop) eating. 13. The chicken wasn’t good. It (taste) better if you had put some spices on it. Bài tập 9: Viết lại các câu sau: 1. I'll buy a new hat. I'll give it to you. If______________________________. 2. Today isn't Sunday. The pupils can't go swimming. If______________________________. 3. He wasn't here. He didn't have a lot of fun. If______________________________. 4. My brother will have enough money. He will buy a bicycle. If______________________________. 5. He didn't have time. He didn't read this novel. If______________________________. 6. Because she missed the bus, she was late. If______________________________. 7. Peter doesn't study hard, so he can't get good marks. If______________________________. 8. My sister is absent from her class because she has a terrible headache. If______________________________. 9. Windy didn't come, so we cancelled the meeting. If______________________________. 10. He was angry, so he didn't say anything. If______________________________. GV: Nguyễn Quỳnh Trang Facebook: lopcoquynhtrang Moon.vn - Học để khẳng định mình 19 Hotline: 0432 99 98 98 Bài tập 10: Chuyển các câu sau thành câu điều kiện 1. Keep silent or you'll wake the baby up. 2. Because you don't leave immediately, I call a policeman. 3. I don't know the number, so I don't ring her up. 4. Go right now or you'll be late for the train. 5. I don't know the answer, so I can't tell you. 6. If I see him, I (give) him a gift. 7. If I had a typewriter, I (type) it myself. 8. If I had known that you were in hospital, I (visit) you. 9. You could make better progress if you (attend) class regularly. 10. If I (know) his telephone number, I'd give it to you. GV: Nguyễn Quỳnh Trang Facebook: lopcoquynhtrang Moon.vn - Học để khẳng định mình 20 Hotline: 0432 99 98 98 ĐÁP ÁN Bài 1: 1. will have 2. looked 3. had fed 4. would understand 5. would arrive 6. would have had 7. swim 8. press 9. had asked 10. would call Bài 2: 1. send/will come 2. will not understand/whisper. 3. will not survive/do not take 4. press/will save 5. will cross/fly 6. will answer/has 7. wears/will not stay 8. touch/will not scream. 9. will forget/do not phone 10. will remember/give GV: Nguyễn Quỳnh Trang Facebook: lopcoquynhtrang Moon.vn - Học để khẳng định mình 21 Hotline: 0432 99 98 98 Bài 3: 1. If you helped your grandma, I would do the shopping. 2. Andrew would water the flowers if he stayed at home. 3. If she had 5 pounds more, she would buy herself this T-shirt. 4. If they offered me the job, I would take it. 5. You would have summer holidays from June till August if you lived in the USA. 6. We would sell the bike for 20 Euros if Ron repaired it. 7. If you used a pencil, the drawing would be perfect. 8. The children would be happy if he taught them English. 9. If Ireen visited us, we would go out tonight. 10. They would come again if he planned a second stay. Bài 4: 1. If you had checked the car, it would not have broken down in the middle of the desert. 2. If it had not rained, the children would have played outside. 3. If my parents had not been so tired, they would have watched the film on TV. 4. If she had bought a new hard disk, she would not have lost all data. 5. If we had used the town map, we would not have got lost . 6. If Tom had eaten more salad, he would not have caught a cold. 7. If the police had not stopped me, I would have reached you in time. 8. If his older brother had not driven so fast, he would not have crashed into the other car. 9. If Fred had not cheated at the test, his teacher would not have phoned his father. 10. If I had not switched off the radio, I would have known about the second goal. GV: Nguyễn Quỳnh Trang Facebook: lopcoquynhtrang Moon.vn - Học để khẳng định mình 22 Hotline: 0432 99 98 98 Bài 5: 1. will have 2. find 3. had fed 4. will 5. looked 6. will happen 7. press 8. had had 9. will you stay 10. swim 11. would you choose 12. Gets 13. comes 14. would call 15. will sit 16. don’t talk 17. will you do 18. had read 19. had asked 20. Had 21. will go 22. would you do 23. run 24. won’t be 25. would have understand 26. comes 27. wouldn’t have 28. had worn 29. leaves 30. would have had 31. Tell 32. don’t change 33. wouldn’t have bought 34. Hung 35. would be 36. would have brought 37. would have been 38. wouldn’t have printed 39. wouldn’t buy 40. would drive Bài 6: 1. C 2. A 3. B 4. A 5. A 6. A 7. B 8. B 9. A 10. C 11. B 12. C 13. C 14. A 15. B 16. D 17. C 18. B 19. A 20. C 21. C 22. A 23. B 24. A 25. B GV: Nguyễn Quỳnh Trang Facebook: lopcoquynhtrang Moon.vn - Học để khẳng định mình 23 Hotline: 0432 99 98 98 Bài 7: 1. will be 2. were 3. lend 4. would have sent 5. would not have stolen / wouldn’t have stolen 6. comes 7. leave 8. would not have bought -hoặc- wouldn’t have bought 9. shines 10. won Bài 8: 1. Would; have 2. Buy 3. had not been 4. does not start 5. would have got 6. supported 7. ask 8. would not have crashed 9. help 10. had had 11. were GV: Nguyễn Quỳnh Trang Facebook: lopcoquynhtrang Moon.vn - Học để khẳng định mình 24 Hotline: 0432 99 98 98 12. did not stop 13. would have tasted Bài 9: 1/ If I buy a new hat, I'll give it to you 2/ If today were Sunday, the pupils could go swimming. 3/ If he had been here, he would have had a lot of fun. 4/ My brother has enough money, he will buy a bicycle. 5/ If he had had time, he would have read this novel. 6/ If she hadn’t missed the bus, she wouldn’t have been late. 7/ If Peter studied hard, he could get good marks. 8/ If my sister didn’t have a terrible headache she wouldn’t be absent from her class. 9/ If Windy had come, we wouldn’t have cancelled the meeting. 10/ If he hadn’t been angry, he would have say something. Bài 10: 1/ If you don’t keep silent, you’ll wake the baby up. 2/ If you don't leave immediately, I will call a policeman 3/ If I knew the number, I would ring her up. 4/ If you don’t go right now, you'll be late for the train. 5/ If I knew the answer, I could tell you. 6/ wil give 7/ would type 8/ would have visited 9/ attended GV: Nguyễn Quỳnh Trang Facebook: lopcoquynhtrang Moon.vn - Học để khẳng định mình 25 Hotline: 0432 99 98 98 10/ knew

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