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1/ We won't go out unless it stops raining
--> We won't go out if it doesn't stop raining
2/ I will call the police unless you give back my bicycle
--> I will call the police if you don't give back my bicycle
3/ You wouldn't be able to do this exercise unless your English were good
--> You wouldn't be able to do this exercise if your English were not good
4/ Unless we had enough rain, we couldn't grow rice
--> If we didn't have enough rain, we couldn't grow rice
5/ The fishermen couldn't have caught a lot of fish unless they had had good nets
--> The fishermen couldn't have caught a lot of fish if they hadn't had good nets
6/ I wouln't buy it unless I could afford it
--> I wouln't buy it if I couldn't afford it
7/ I would refuse to go unless they paid my expenses
--> I would refuse to go if they didn't pay my expenses
8/ I don't agree with his economic policy. I wouldn't vote for him unless he changed it
--> I don't agree with his economic policy. I wouldn't vote for him if he didn't change it
9/ He wouldn't have written unless he had heard news
--> He wouldn't have written if he hadn't heard news
10/ You might not have a terrible toothache unless you went to the dentist regularly
Câu này phải bỏ "not" thì mới đúng nghĩa.
You might have a terrible toothache unless you went to the dentist regularly
--> You might have a terrible toothache if you didn't go to the dentist regularly
Chúc you hok tốt nhé 
1/ We won't go out unless it stops raining
--> We won't go out if it doesn't stop raining
2/ I will call the police unless you give back my bicycle
--> I will call the police if you don't give back my bicycle
3/ You wouldn't be able to do this exercise unless your English were good
--> You wouldn't be able to do this exercise if your English were not good
4/ Unless we had enough rain, we couldn't grow rice
--> If we didn't have enough rain, we couldn't grow rice
5/ The fishermen couldn't have caught a lot of fish unless they had had good nets
--> The fishermen couldn't have caught a lot of fish if they hadn't had good nets
6/ I wouln't buy it unless I could afford it
--> I wouln't buy it if I couldn't afford it
7/ I would refuse to go unless they paid my expenses
--> I would refuse to go if they didn't pay my expenses
8/ I don't agree with his economic policy. I wouldn't vote for him unless he changed it
--> I don't agree with his economic policy. I wouldn't vote for him if he didn't change it
9/ He wouldn't have written unless he had heard news
--> He wouldn't have written if he hadn't heard news
10/ You might not have a terrible toothache unless you went to the dentist regularly
--> You might not have a terrible toothache if you go to the dentist regularly
Complete the sentences with the verbs in parentheses
1. he'll be late for the bus if he ( not start) doesn't start at once
2. jim isn't at home right now. if he( be) were at home, i (visit) would visit him
4. fred failed the test because he didn't study. however, if he (study) had studied for the test, he (pass) would have passed it
5. if i (know) had known that there was a test yesterday, i (study) would have studied
6. if you have enough time, please (paint) paint the chair before you leave
7. i (accept) will accept if they invite me to the party
8. had we know your address, we ( write) would have written you a letter
9. if you(do) had done as i told you, you ( succeed) would have succeeded
10. if you come here in spring, you ( have) will have a chance to go to the village fair
11. i could understad the frech teacher if she ( speak) spoke more slowly
12. we could go for a drive if today (be) were sunday
13. if your mother ( buy) buys that motorcycle for you, will you be happy?
14. if i (see) had seen the movie last night, i (tell) would have told you about it
15. i will ring the bell once more. if he doesn't answer, i think he ( must go) must have gone out
16. if i make a prmise, i (keep) will keep it
17. he described the accident as if he ( see) had seen it himself
18. we're going to play tennis this afternoon if it (stop) stops raining
19. if i had asked you, would you (accept) have accepted?
20. if he (come) comes, please ( tell) tell me
21. you were late last night. if you (arrive) had arrived ten minutes earlier you (get) would have got a seat
22. if i (realize) had realized that the traffic light were red. i(stop) would have stopped
23. She won’t open the door unless she (know) knows who it is.
24.I (not lend) wouldn't have lent him the money if you (tell) told me that he never paid his debts
25.If I (can) could speak two languages last year, i (get) would have got a good job
26.If there (be) were no sunshine, we would all (die) die soon
27. You shouldn't believe it if you (not see) didn't see it with you own eyes
28. I (not do) wouldn't do that if I (be) were you
1. If I see him, I __will give___ (give ) him a gift.
2. If I had a typewriter, I __would type___ (type) it myself.
3. If I had known that you were in hospital, I __would have visited___ (visit) you.
4. You could make better progress if you __attended___ (attend) class regularly.
5. If I __knew___ (know) his telephone number, I’d give it to you.
6. If you _had arrived____ (arrive) ten minutes earlier, you would have got a seat.
7. If he worked more slowly, he __wouldn't make___ (not make) so many mistakes.
8. I shouldn’t drink that wine if I ___were__ (be) you.
9. If I __find___ (find) a cheap room, I will stay a fortnight.
10. A lot of people __would be___ (be) out of work if the factory closed down.
11. I (have) ……would have…….. plenty of money now if I (not / spend) ……didn't spend…… so much yesterday.
12. If someone (give) ……gave……….you a boat, what would you (do) ……do……… ?
13. If you......press.....(press) CTRL + S, you.....will save......(save) the file.
14. The children.....would be ......(be) happy if he....taught .......(teach) them English.
15. If she....had bought ......(buy) a new hard disk, she.....wouldn't have lost......(not/ lose) all data.
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
1) I shouldn't drink that wine if I...were..(be) you
2) More tourist would come to this country if it..had....(have) a better climate
3) If I were sent to prison would you..visit...(visit) me ?
4) If someone...gave....(give) you a helicopter what would you do with it ?
5) I...would buy...(buy) shares in that company if I had some money
6) If the student had spoken politely,the teacher.....wouldn't be..(would/not/be) angry
7) they would have called you if the....had had.(have) your telephone number
8) the company wouldn't have cut the stress if we...had protested..(protest)
9) If they had paid attention, they..wouldn't have learned...(learn) the lesson
10) we..would go...(go) to the movies if we had had money
11) you would have found your book if you..had looked..(look) for it
12) If she had helped me I..would have finished...(finish) my homework
13)If it ...was..(be) sunny,we would have gone to the beach
14)they ..would have seen..(see) the film if they had come earlier
15)you would have found your book if you..had looked.(look) for it
21. Of => in
22. He should => should he
23. Were => had been
24. Unless => if
25. Will be => is
26. Have => had
27. Buying => to buy
28. Not => not to
29. Drinking => drink
30. Quietly => quiet
31. Not => X
32. Would => will
33. Has => had
1.Do you know where my tennis racket ,mum?
=> She asked Mum if she knew where her tennis racket.
2.Our house is going to be painted by a firm.
=>We are going to have our house painted by a firm.
3. I'm really sorry I didn't invite her to the party.
=>I really wish I had invited her to the party.
4. we couldn't drive because of the fog.
=> The fog prevented us from driving .
5.I would love to be rich and famous.
=> If only I were rich and famous.
6.I haven't been to see them for over a year.
=> It's over a year since I saw them..
7. Although he was not guilty, they executed him
=> In spite of his not being guilty, they excuted him
.8 He shouldn't ask for a pay rise anymore.
=> If I were he, I wouldn't ask for a pay rise anymore
9. If he comes, tell him I'll be late
=>Should he come, tell him I'll be late.
10. We didn't go to the concert last night because of business
=> If it had not been for business,we would have gone to the concert last night.
11. The foreigner spoke too fast for us to understand.
=> If The foreigner hadn't spoken too fast ,we would have understood.
12 .She doesn't speak English well enough to get the job.
=> If she spoke English well, She coud get the job.
13 .Thanks to computer, it takes me a little time to do the work.
=> Without computer, I wouldn't have done the work
14 Without your help, I couldn't have finished the report on time
=> If you hadn't helped me, I couldn't have finished the report on time.
15 I dislike it when people criticize me unfairly.
=> I object to being criticized unfairly.
16 If only I had studied hard enough to pass the exam.
=> He regretted not having hard enough to pass the exam.
17 The heavy rain made it impossible for us to have our picnic.
=> We were unable to have our picnic because of the heavy rain.
18 " I'll have enough for a ticket if he pays me, tonight" She said
=> She said that she would have enough for a ticket if he pays her that night
19 " I'd phone her before I come if I were in your position?''
=> He said If he were in my position, He woud phone her before I came.
20 The secretary said " Sorry I never work on Sunday"
=>The secretary sorried for not working on Sunday
21 "I will bring you some food" He said to me
=> He said to me that he would bring me some food.
22" What a beautiful dress you have, mary" Peter said
=> Peter paid Mary a compliment on her (beautiful) dress.
23 " I wished I hadn't lent him some money"
=>Peter regretted having lent him some money.
24 " You've just got a promotion, haven't you. Congratulations"
=>Peter congratulated me on getting a promotion.
.25 You can avoid tooth decay by brushing your teeth regularly.
=>Brushing your teeth regularly can prevent you from tooth decay
26 We don't visit our parents very often because thay live so far away.
=>If our parents didn't live so far away, we would visit them very often.
27 The cat doesn't run fast enough to catch the mouse.
=>If The cat ran fast enough, it could catch the mouse.
28.You must stop smoking or you'll have a cough
=> Unless you stop smoking,you will have a cough.
29 You'll have an accident if you don't driver more carefully.
=>Unless you drive more carefully, you will have an accident.
30 You can have a good time by joining us
=>If you join us, you can have a good time.
31 Hurry up or you'll miss the 1st bus to work.
=> Unless you hurry up, you will miss the 1 st to work.
32 If you don't pay me back the money you take, i will tell the police.
=>Pay me back the money you take or I will tell the police
MISTAKE IDENTIFICATION
1. She had had(A)=> would have had more good marks(B) if she had prepared(C) the lesson carefully(D).
2. If your mother bought(A)=> buys you a dictionary(B), you can learn(C) English better(D).
3. If yesterday(A) I had stayed(B) at home, I will not(C)=> would not be tired today(D).
4. Unless they come(A) early, they will(B)=> won't meet(C) him at the meeting(D).
5. Had(A) you review(B)=> reviewed all the lesson carefully(C), you would have passed(D)the exam.
SENTENCE REWRITING
He smokes too much; that's why he can't get rid of his cough ➙ had
If he had not smoked too much, he wouldn't have gotten rid of his cough
MULTIPLE CHOICES
1. Why didn't you go camping last week? If you..........there, you would have had a lot of fun.
A. were being B. have been C.had been D. was being.
2. What........ if you had had a day off yesterday?
A. would you have done B. would you do C. will you do D. you would have done
3. He would visit us if he........in town.
A. will be B. was C. were D.would be
4. If you didn't stay up late, you.......... get up earlier.
A. will B.can C.could
5. If I heard from Jack, I..........let you know.
A. will B. would C.shall D. had
6. If I knew her number, I.........her.
A. phone B. will phone C. would phone D. had phoned
7. If they were rich, they............buy a castle.
A. will B. can C. would D. were able to
8. If you............. this glass, you would have to pay for it.
A. broke B. breal C. have broken D. had broke
9. If you........... French, which language would you study.
A. were studying B. are studying C. weren't studing D. have been studying.
VII. Choose the correct completion.
1. I'm not an astronaut. If I...........an astronaut, I ................. my camera with me on the rocket ship.
A. am/ will take B. was/ would take
C. were/ had taken D. was/ would have taken
2. Don't throw aerosol into a fire. An aerosol .......... if you ................ it into a fire.
A. will be exploded/ throw B. would explode/ threw
C. explodes/ will .throw D. can explode/ throw
3. That sounds like a good offer. I.................it if I................you.
A. had accepted/ were B. will accept/ am
C. would accept/ were D. accepted' were
4. Nora is using my car right now. If she................ it back in time. Your welcome to borrow it.
A. brought .B. would bring C. will bring D. brings
5. If energy ......................inexpensive and unlimited, many things in the world would be different.
A. is B. was C. had been D. would be
6. If you ............... all of my questions, I ...................... anything to help you.
A. don't answer/ can't do B. didn't answer/ won't do
C. wouldn't answer/ can't do B. wouldn't answer/ couldn't do
7. If I ................... wings,....................... take an airplane to fly home.
A. have/ won't have to B. had/ wouldn't have
C. have/ will have to D. had/ didn't have to
8. 'Here's my phone' number.
'Thanks, I ................you a call if I .................... some help.
A. will give/ will need B. would give/ needed
C. give/ need D. will give/ need
9. If we .......................serious about pollution, we ...................... more money on research.
A. had been/ spent B. were/ had spent
C. were/ would spend D. are/ will spend
10. Sea water is salty. If the oceans.................of fresh water, there ............. plenty of water to irrigate all of the deserts in the worlD.
A. consisted/ would be B. consisted/ were C. would consist/ could be D. consist/ will be
#maymay#
~ Study Well :33 ~
Unless you are careful, you will cut yourself with that knife.
Unless you like this one, I will bring you another.
Unless I have a quiet room, I won't be able to do any work.
Unless she hurries, she will be late.
Unless we had more rain, our crops wouldn't be better.
Câu 5 đúng r bạn nhé.
cám ơn ạ