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B1.
1. will give 6. had arrived 11. would have / hadn't spent (ĐK hỗn hợp)
2. would not type 7. wouldn't make 12. gives / what will you do
3. would have visited 8. were 13. press / save (hoặc will save)
4. attended 9. find 14. would be / taught
5. knew 10. would be 15. had bought / wouldn't have lost
B2)
2. If you keep talking, you won't understand the lesson.
3. If I know her number, I will ring her up.
4. If I know the answer, I will tell you.
5. If we had had a map, we wouldn't have got lost.
6. If Susan hadn't eaten four cream cakes, she wouldn't have felt sick.
7. If we hadn't had this treatment, the patient would have died.
8. If he hadn't been late every day, he wouldn't have lost his job.
9. If Peter ate less chips, he wouldn't be fat.
10. If Robert hadn't started smoking cigarettes, he wouldn't have got a bad cough.
VI. Make conditional sentences:
1. Keep silent or you’ll wake the baby up.
→ If you don't keep silent, you will wake the baby up.
2. Stop talking or you won’t understand the lesson.
→ If you don't stop talking, you won't understand the lesson.
3. I don’t know her number, so I don’t ring her up.
→ If I knew her number, I would ring her up.
4. I don’t know the answer, so I can’t tell you.
→ If I knew the answer, I could tell you.
5. We got lost because we didn’t have a map.
→ If we had a map, we wouldn't have gotten lost.
6. Susan felt sick because she ate four cream cakes.
→ If Susan hadn't eaten four cream cakes, she wouldn't have felt sick.
8. He lost his job because he was late every day.
→ I couldn't find sentence 7 in the previous search results.
9. Peter is fat because he eats so many chips.
→ If Peter didn't eat so many chips, he wouldn't be fat.
10. Robert got a bad cough because he started smoking cigarettes.
→ If Robert hadn't started smoking cigarettes, he wouldn't have gotten a bad cough.
VII. Rewrite the following sentences:
1. He can’t go out because he has to study for his exam.
→ If he didn't have to study for his exam, he could go out.
2. She is lazy so she can’t pass the exam.
→ If she weren't lazy, she could pass the exam.
3. He will pay me tonight; I will have enough money to buy a car
→ If he pays me tonight, I will have enough money to buy a car.
4. He smokes too much; that’s why he can’t get rid of his cough.
→ If he didn't smoke too much, he could get rid of his cough.
5. She is very shy, so she doesn’t enjoy the party.
→ If she weren't so shy, she would enjoy the party.
6. I will get a work permit. I will stay for another month.
→ If get a work permit, I will stay for another month.
7. He doesn’t take any exercises. He is so unhealthy
→ If he took exercises, he wouldn't be so unhealthy.
8. We can’t get the ticket because I don’t have the right change.
→ If I had the right change, we could get the ticket.
9. Study hard or you won’t pass the exam.
→ If you don't study hard, you won't pass the exam.
10. Don’t be impatient or you will make mistakes.
→ If you are patient, you won't make mistakes.
11. I didn’t eat lunch, I feel hungry now.
→ If I I had eaten lunch, I wouldn't feel hungry now.
12. I only come if they invite me.
→ Unless they invite me, I only come.
13. He didn’t revise all his lessons, he failed the exam.
→ If he had revised all his lessons, he wouldn't have failed the exam.
14. The park is over there, only 5 minutes’ walk.
→ If you walk, the park is only 5 minutes away.
15. Leave me alone or I’ll call the police.
→ Unless you leave me alone, I will call the police.
16. If you arrive at the office earlier than I do, please turn on the air-conditioner.
→ Should you arrive at the office earlier than I do, please turn on the air-conditioner.
17. The children don’t go to school in the snowy weather.
→ If it snows, the children don't go to school.
18. He died so young; otherwise, he would be a famous musician by now.
→ Had he not died so young, he would be a famous musician by now.
19. You must tell me the whole truth or I won’t help you.
→ Unless you tell me the whole truth, I won't help you.
20. The car breaks down so often because you don’t take good care of it.
→ Were I taking good care of it, the car wouldn't break down so often.
21. He is very bad-tempered, that’s why his wife left him soon after marriage.
→ If he weren't so bad-tempered, his wife wouldn't have left him soon after marriage.
22. Don’t tell lies to your boss or you’ll be fired at once.
→ If you tell lies to your boss, you'll be fired at once.
1.If you don't keep quiet, you will wake the baby.
2.If you keep talking, you won't understand the lesson.
3.If you throw garbage in the river, the water will be polluted.
4. If I knew her number, I would have called her.
5.If I knew the answer, I would tell you.
6.If the water is too dirty, the fish will die.
7.If we don't have a map, we will get lost.
8. If Susan eats four cakes, she will get sick.
9.If the weather wasn't good, we wouldn't have had a picnic.
10.If we keep the water clean, we will have enough water to use in the future.
11.If Peter eats too many sweet potatoes, he might get fat.
12.If you water regularly the plant will grow well.
13. If you don't finish your homework, you won't be able to go out tonight.
14.If they go out, they will help me.
15.If he practices more, he will be able to win the game.
21. Stop talking or you will wake the children up.
→ If……you don't stop talking, you will wake the children up.…………………………………..….…….
22. I lost her number, so I can't ring her up now.
→ If……I hadn't lost her number, I could ring her up now…………………………………..….……..
23. Mary got lost because she didn't have a map.
→ If ………Mary had had a map, she wouldn't have got lost…………………………….……..…….……
24. Linda felt sick because she ate lots of cakes.
→ If……Linda hadn't eaten lots of cakes, she wouldn't have felt sick…………………………………..….…….
25. June is so fat because he eats so many chips.
→ If………June didn't eat so many chips, he wouldn't be fat………………………………..….…….
26. He does not work slowly enough, so he makes many mistakes.
→ If………he worked slowly enough, he wouldn't make many mistakes………………………………..….…….
27. Let me alone or I'll call the police
→ If……you don't let me alone, I'll call the police …………………………………..….…….
III. Rewrite the second sentence in such a way that it has the same meaning as the one before it:
1. You can’t visit the United States unless you get a visa
If you get a visa, you can visit the United States.
2. We didn’t go on holiday because we didn’t have enough money
If we had had enough money, we would have gone on holiday.
3. What a pity you failed your driving test!
I wish you hadn't failed your driving test.
4. I’m sorry I missed your birthday party.
I wish I hadn't missed your birthday party.
5. Unless someone has a key, we can’t get into the house.
We can get into the house if someone has a key.
6. He’s sorry now that he didn’t invite Molly to his party
He wishes he had invited Molly to his party.
7. Unless he phones immediately, he won’t get any information
If he doesn't phone immediately, he won't get any information.
8. Mr. Will lost his job because he was late every day
If Mr. Will hadn't been late every day, he wouldn't have lost his job.
9. My husband didn’t leave the car keys, so I couldn’t pick him up at the station
If my husband had left the car keys, I could have pick him up at the station.
10. He didn’t hurry, so he missed the train
If he had hurried, he wouldn't have missed the train.
11. We didn’t go because it rained
If it hadn't rained, we would have gone.
12. I’m sorry that I didn’t finish my homework last night
I wish I had finished my homework last night.
13. The child will die if nobody sends for a doctor
Unless a person sends for a doctor, the child will die.
14. Susan felt sick because she ate 4 cream cakes
If Susan hadn't eaten 4 cream cakes, she wouldn't have felt sick.
15. Maria didn’t apply for the job in the library and regrets it now
Maria wishes she had applied for the job in the library.
16. John is fat because he eats so many chips
If John didn't eat so many chips, he wouldn't be fat.
17. It’s a pity I didn’t take my doctor’s advice
I wish I had taken my doctor's advice.
18. The accident happened because the train driver ignored a warning light
If the train driver hadn't ignored a warning light, the accident wouldn't have happened.
19. We got lost because we didn’t have a map
If we had had a map, we wouldn't have got lost.
20. Mrs. Taylor doesn’t like living in such a small house
Mrs. Taylor wishes she didn't live in such a small house.
21. If Joe doesn’t change his ways, he will end up in prison
Unless Joe changes his ways, he will end up in prison.
22. If he doesn’t work harder, he’ll lose his job
Unless he works harder, he'll lose his job.
23. Elizabeth got a bad cold because she started smoking cigarettes
If Elizabeth hadn't started smoking cigarettes, she wouldn't have gotten a bad cold.
24. Joan will stay on at school unless she finds a good job before September
If Joan doesn't find a good job before September, she will stay on at school.
1. We can’t go swimming because it rains.
->if………….it didn't rain, we could go swimming
2. He is poor. He doesn’t afford to buy new clothes.
->If……he weren't poor, he would afford to buy new clothes. …………….
3. I don’t know her address, so I can’t tell you.
->If I ……….knew ..her address, I could tell you.
4 . He can’t park near his office, so he doesn’t come by car
→ If ……he could park near his office, he would come by car ………………..
5. My house is guarded by two big dogs. it isn’t broken into every night
→ If ………my house weren't guarded by two big dogs, it would be broken into every night………. ..
6. The flats are not clearly numbered, so it is very difficult to find anyone.
→ If . ……the flat were clearly numbered, so it weren't very difficult to find anyone. …………
7. I don’t have a cell phone , so I can’t lend you
→ If . ……I had a cell phone , I could lend you………………
8. She works in the evening. She has no time to play with her children.
→ If ………she didn't work in the evening, she would have time to play with her children.…….. .
Viết lại các câu sau sang dạng câu điều kiện thích hợp.
1. Keep silent or you’ll wake the baby up. → If……………you don't keep silent, you 'll wake the baby up……………………….....….…….
2. Stop talking or you won’t understand the lesson.→ If………you don't stop talking , you won't understand the lesson…………………………….....….…….
3. I don’t know her number, so I don’t ring her up. →If……I knew her number, I would ring her up……………………………….....….……..
4. I don’t know the answer, so I can’t tell you.→ If ………………I knew the answer , I could tell you…………………………….………..
5. We got lost because we didn’t have a map.→ If ………………we had had a map , we wouldn't have got lost…………………….……..…….……
6. Susan felt sick because she ate four cream cakes. →…………………If susan hadn't eatten four cream cakes, she wouldn't have felt sick…………………………..……
7. Without this treatment, the patient would have died. →………If that patient hadn't undergone this treatment he would have died……………………………….….…...
8. He lost his job because he was late every day. →…………………If he hadn't been late every day , he wouldn't have lost job……………………………...……
9. Peter is fat because he eats so many chips. →……………If Peter…………didn't eat so many chips, he wouldn't be fat.
……………………………...…..
10. Robert got a bad cough because he started smoking cigarettes. →……………If Robert hadn't started smoking cigarettes, he wouldn't have got a bad cough…………………..…..
Viết lại các câu sau sang dạng câu điều kiện thích hợp.
1. Keep silent or you’ll wake the baby up. → If……………………you don't keep silent, you will wake the baby up……………….....….…….
2. Stop talking or you won’t understand the lesson.→ If…………………………you keep talking, you won't understand the lesson.………….....….…….
3. I don’t know her number, so I don’t ring her up. →If……………………I know her number, I will ring her up……………….....….……..
4. I don’t know the answer, so I can’t tell you.→ If …………………………I know the answer, I will tell you………………….………..
5. We got lost because we didn’t have a map.→ If …………………………we had had a map, we wouldn't have got lost………….……..…….……
6. Susan felt sick because she ate four cream cakes. →………………………Susan hadn't eaten four cream cakes, she wouldn't have felt sick……………………..……
7. Without this treatment, the patient would have died. →……………………we hadn't had this treatment, the patient would have died………………….….…...
8. He lost his job because he was late every day. →………………………he hadn't been late every day, he wouldn't have lost his job………………………...……
9. Peter is fat because he eats so many chips. →…………………………Peter ate less chips, he wouldn't be fat…………………………...…..
10. Robert got a bad cough because he started smoking cigarettes. →…………………Robert hadn't started smoking cigarettes, he wouldn't have got a bad cough……………..…..