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1.He was so lazy,that's why he was dismissed from his job
-> But for his laziness, he was not dismissed from his job.
2.I didn't go to the party,so I didn't meet my friend
-> If I had gone to the party, I would have met my friend.
3.If anyone objects to my plan,I will change my mind
-> Should anyone object to my plan, I will change my mind.
4. John is in prison because he robbed the bank
-> Had John robbed the bank that he is in prison.
5.Without luck,he would have failed the driving test
-> If he had been lucky , he would have not failed the driving test.
4. Had John not robbed the bank, he would not be in prison.
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REWRITE THE FOLLOWING SENTENCES USING IF-> UNLESS
TYPE1
1. If he doesn't hurry, he will be late for school
-> unless he hurry, he will be late for school
2. unless it stops raining, we won't go out
-> if it doesn't stop raining, we won't go out
3. you will get success if you are patient
- unless you aren't patient,you will get success
4. those flowers will die if nobody waters them
- unless nobody doesn't water them,those flowers will die
5. no one can help him if he doesn't tell the truth
- unless he tell the truth,no one can help him
6. you will catch a cold unless you keep your feet dry
- if you don't keep your feet dry,you won't catch a cold
7. if i don't catch the plane, i will not be home by five
- unless i catch the plane, i will not be home by five
8. if you don't apologize, i will never speak to you again
-unless you apologize, i will never speak to you again
9. unless he gives me his number, i won't phone him
- if he doesn't give me his number, i won't phone him
10. he cannot do that exercise if he doesn't learn his lessons carefully
-unless he learn his lessons carefully,he can do that exercise
TYPE 2
1. unless the studied harder, he would fail the final exam
- if the didn't study harder, he would fail the final exam
2. unless the drank alcohol, he would pass the contest
- if the didn't drink alcohol, he would pass the contest
3. unless he phoned immediately, he wouldn't meet Mary
-if he didn't phone immediately, he wouldn't meet Mary
4/ if we didn't have a calculator, we couldn't work his more quickly
-unless we didn't have a calculator, we couldn't work his more quickly
5. if i weren't weak, i could walk
- unless i were weak, i could walk
6. if you weren't slow now, you could uiwn the race
- unless you were slow now, you could uiwn the race
7. if you didn't speak very quickly, the students could hear you well
- unless you spoke very quickly, the students could hear you well
8. if tom didn't invite me, i wouldn't go to the party
- unless tom invited me, i wouldn't go to the party
9. if they didn;t know his number now, they wouldn't give it to me
- unless they knew his number now, they wouldn't give it to me
10. unless he were careful, he would have serious accident
- if he weren't careful, he would have serious accident
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Rewrite the following sentences
1. He smokes too much; that's why he can't get rid of his cough.
->Were he not to smoke too much, he could get rid of his cough.
2.He doesn't take any exercises. He is so unhealthy
->Were he to take some exercise, we would be so healthy.
3.We can't get the ticket because I don't have the right change.
->Were I to have the right change, we could get the ticket.
4.Study hard or you won't pass the exam.
-> Should you study hard, you will pass the exam.
5.Don't be impatient or you will make mistakes.
->Should you be impatient, you will make mistakes.
6.I didn't eat lunch, I feel hungry now.
->Had I eaten lunch, I wouldn't feel hungry now.
7.I only come if they invite me.
->Unless they invite me, I won't come.
8.He didn't revise all his lesson, he failed the exam.
->Had he revised all his lesson, he wouldn't have failed the exam.
9. The park is over there, only 5 minutes walk.
->If you walk to the park, it will take you 5 minutes.
10.Leave me alone or I'll call the police.
->Unless you leave me alone, I'll call the police.
11.The car breaks down so often because you don't take good care of it.
->Were you to take good care of the car, it wouldn't break down so often.
12.He is very bad-tempered, that's why his wife left him soon after marriage.
->If he were not very bad-tempered, his wife wouldn't have left him soon after marriage.
13.Don't tell lies to your boss or you'll be fired at once.
->Should you tell lies to your boss, you'll be fired at once.
14.She got married at such an early age: otherwise, she would be at unisersity now.
-> Had she not got married at such an early age, she would have been at unisersity now.
1. He smokes too much; that's why he can't get rid of his cough.
-> Were he not to smoke too much, he couldn't get rid of his cough.
2.He doesn't take any execises. He is so unhealthy
-> Were he to take any execises, he wouldn't be so unhealthy.
3.We can't get the ticket because I don't have the right change.
-> Were I to have the right change, we couldn't get the ticket.
4.Study hard or you won't pass the exam.
-> Should you hard study, you will pass the exam.
5.Don't be impatient or you will make mistakes.
-> Should you be impatient, you won't make mistakes.
6.I didn't eat lunch, I feel hungry now.
-> Had I eaten lunch, I wouldn't feel hungry now.
7.I only come if they invite me.
-> Unless they invite me, I won't come.
8.He didn't revise all his lesson, he failed the exam.
-> Had he revised all his lesson, he woulfn't have failed the exam.
9. The park is over there, only 5 minutes walk.
-> If you walk to the park, it will take you only 5 minutes.
10.Leave me alone or I'll call the police.
-> Unless you leave me alone, I'll call the police.
11.The car breaks down so often because you don't take good care of it.
-> Were you to take good care of the car, it wouldn't break down so often.
12.He is very bad-tempered, that's why his wife left him soon after marriage.
-> If he wasn't very bad-tempered, his wife wouldn't have left him soon after marriage.
13.Don't tell lies to your boss or you'll be fired at once.
-> Should you tell lies to your boss, you'll be fired at once.
14.She got married at such an early age: otherwise, she would be at unisersity now.
-> Had she not got married at such an early age, she would be at unisersity now.
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REVIEW
21. Because he sits around too much, he isn't fit
-> if he didn't sit around too much, he woudn't fit
22. Rita was exhausted because she didn't get any sleep
-> if rita had got sleep,she wouldn't have been exhausted
23. She's very thin; perhaps that's why she feels cold so much
-> if she weren't thin,she wouldn't feel cold so much
24. He never polishes his shoes, so he never looks smart
-> if he polished his shoes, he would loook smart
25. He can't park near his office;that's whyvhe doesn' come by car
-> if he could park near his office,he would come by car
26. My house is guarded by two big dogs. That's the only reason it isn't broken into every night
-> if my house weren't guarded by two big dogs.,it would be broken into every night
27. The flats were not clearly numbered, so it was very difficult to find them
-> if the flats had been clearly numbered, it wouldn't have been very difficult to find them
28. I don't know her email address so i can't tell you
->if i knew her email address sI could tell you
29. She doesn't live in london because she doesn't know anyone there
-> she would know someone there if She lived in london
30. I couldn't live in the country because i couldn't find a job here
->i could live in the country if i could find a job here
31. She had no time to play with her children because she worked in the evening
-> if she hadn't worked in the evening,she would have had time to play with her children
32. He doesn't see the signal so he doesn't stop his car
-> if he saw the signal ,he wouldt stop his car
33. Marry doesn't have enough money so she can't buy a new car
-> marry could buy a new car if she had enough money
34. Prepare the lesson well or you won't understand it
-if you don't Prepare the lesson well ,you won't understand it
35. He doesn't apply for thr job because he doesn't have enough qualification
-> if he had enough qualification.he would apply for thr job
36. Hurry up or we will be late for the exam
-> if we don't Hurry up ,we will be late for the exam
37. They do not understand you because you do not often talk to them
-> unless you often talk to them,They do not understand you
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Exercise: Kết hợp câu dùng câu điều kiện.
11. If you do not like this one, I'll bring you another.
--> Unless you like this one, I'll bring you another.
12. Martin failed his driving test last week because he was very nervous.
--> If Martin hadn't been very nervous, he wouldn't have failed his driving test last week.
13. He paid me last night. I had enough money to buy a car.
--> If he hadn't paid me last night, I wouldn't have had enough money to buy a car.
14. I stayed up late last night that's why I can't get up early today.
--> If I hadn't stayed up late last night, I could get up early today.
15. If you can't arrive at the office earlier, please turn on the airconditioner.
--> Unless you can arrive at the office earlier, please turn on the airconditioner.
16. He got troubles, so he couldn't go to the airport on time.
--> If he hadn't got troubles, he could have gone to the airport on time.
17. The car breaks down so often because you don't take good care of it.
--> If you took good care of the car, it wouldn't broke down so often.
18. He tells lies to his boss that's why he is fired at once.
--> If he didn't tell lies to his boss, he wouldn't be fired at once.
19. He didn't revise all his lessons, so he failed the exam.
--> If he had revised all his lessons, he wouldn't have failed the exam.
20. Rita is exhausted today because she didn't sleep last night.
--> If Rita had slept last night, she wouldn't be exhausted today.
1. Joe would end up in prison if he didn't change his way
-> Unless Joe.......changed his way, he would end up in prison .....
2. If he hadn't been rich,he wouldn't have paid all the damages
-> But for....his poverty, he would have paid all the damages ............
3. He was so lazy,that's why he was dismissed from his job
->But for......his laziness, he wouldn't have been dismissed from his job...
4. We won't go for a picnic if we haven't got good weather
->Unless.....we have got good weather, we won't go for a picnic......
5.If anyone objects to my plan,I will change my mind
-> Should anyone......object to my plan, I will change my mind....
6. John is in prison because he robbed the bank
-> Had.......John not robbed the bank, he would not be in prison.......
7. Without luck,he would have failed the driving test
-> If he......hadn't been lucky, he would have failed the driving test.......
8.If he were the last girl in the world,would you marry him?
-> Were.....he the last girl in the world, would you marry him?...........
9.She was sorry that she hadn't applied for the job in the library
-> She regretted.......not applying for the job in the library.........
10. His mother was the most warm-hearted person I've ever known
-> I've never........known a more warm-hearted person than his mother .....