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Chào em, em tham khảo nhé!
1. If you (tell) had told me what was going to happen, I (never do) wouldn't have done such a foolish thing.
2. I (not invite) wouldn't have invited John to the party if I (know) had known that you and he didn't get along well with each other.
3. I got wet because I didn't take my umbrella. However, I wouldn't have got wet (not/get wet) If I (remember) had remembered to take my umbrella with me.
4. I'm doing the test very well now. I (not/do) wouldn't do the test well if I (not/revise) didn't revise thoroughly last night.
5. I'm broke, but I (have) would have plenty of money now if I (not/spend) hadn't spent so much yesterday.
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39. I ....... for her. She didn't come at all.
A. may have waited
B. mustn't have waited
C. ought to have waited
D. needn't have waited
40.You ..... an umbrella because it didn't rain.
A. needn't have brought
B.should have brought
C.may have bought
D.might have bought
41.I ..... have prepared all that food. they phoned to say the wouldn't be coming
A.needn't B.should C.can't D.must
42.YOU .... have practised a lot before you gave your speech. it was really good
A.needn't B.should C.can't D.must
43.his letter is full of mistakes. he .... the mistakes carefully before sending it
A.must have checked
B.should have checked
C.could have checked
D.can have checked
44. The television isn't working. It ... during the move.
A. should have been damaged
B. needn't be damaged
C.must have been damaged
D.ought not be damaged
45.John failed again. He ... harder
A. must have tried B. should have tried C. may have tried D. may have tried
46.Frank's wallet is lying on the coffee table. He .... it here last night.
A. must have left B. should have left C. must be leaving D.needn't leave
47.You ...... lunch. We have already eaten.
A. need preparing B. needn't have prepared C.should prepare D. should have prepared
48. If I had gone to the University of Miami, I ... in their Spanish immersion program.
A. should' participate
B. needn't participate
C. could have participated
D. must have participated
49.Theresa walked past me without saying a word. She .. .me.
A. can't have seen
B. can't see
C. can't have been seen
D. can be seen
50.I think the match ........ Everybody's gone into the stadium and you can hear them cheering.
A. was started
B. will be started
C. must started
D. must have started
51.The old man .... to hospital early. I think they did it too late.
A. must have taken B. should have taken C. must have been taken D. should have been taken
52. There is no excuse for your late submission! You... to tell me you would come late
A. mightn't have finished B. should have finished
C. needn't have finished
D. must have finished
53. Adrian got surprisingly high grades in the final exam. He ... his lessons very carefully.
A. would have revised
B. needn't have revised
C. can't have revised
D. must have revised
54.I've been waiting for hours.You .... to tell me you would come late.
B. must have phoned A. oughtn't to have phoned
C. should have phoned
D. needn't have phoned

1. If I ... the same problem you had as a child, I might not have succeeded in life as well as you have.
A. have B. would have C. had had D. should have
2. If I had known you were asleep, I ... so much noise when I came in.
A. didn't make B. wouldn't have made C. won't make D. wouldn't make
3. We would help her if we ... much difficulties in her life.
A.knew B.know C.had known D.to know
4. If I had enough money, I ... abroad to improve my English.
A. will go B. would go C. went D. would have gone
5. If I ... a camera, I would have taken some pictures.
A. have B. had C. would have D. had had
6.if my older sister .... in Da Nang city, we would pay her a visit.
A. lives B. had lived C. could live D. lived
7. If she ... the lottery last year, She .. rich now.
C.won/would be A. Have won/ would be B. had won/would be D. wins/will be
8.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
9. ....more help, I would call my neighbor.
A. Were I to need B. If I need C. I have needed D.If I hadneeded
10. ......she would have sent you a postcard.
A. were she to go abroad B. Had she gone abroad
C. she had gone abroad D.If she goes abroad
11. ....he be free tonight, he will invite her to the concert.
A. If B. Should I would be very surprised. C. Had D. Were
12 ......I would be very surprised.
A. Were he to refuse this offer B. Should he refuse this offer
C. Had he refused this offer D. Were he refused this offer
13. Had you told me that this was going to happen, I .... it.
A. Would have never believed B. wouldn't believe
C. hadn't believed D. can't believe
14. If you had not spent too much yesterday, ....
A. you would be broke now B. you would not have been broke now.
C. you would not be broke now. D. were you not broke now.
15. 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
16.I ... you sooner had someone told me you were in the hospital.
A. would have visited B. visited C.had visited D.visit

3/ Have you told her about the present ( Passive )
--> Has she been told about the present ?
4/ Tom is answering this question at the momments ( Passive )
--> This question is being answered by Tom at the moment.
1/ Ann didn't pass the antrance examination, so she wasn't admitted to the university.
--> If An wass pass the antrance examination, she wouldn't admitted to the university.
--> Unless passed the antrance examination, so she wasn't admitted to the university.
2/ I am not at home now, so I can't answer your phone.
--> If I am not at home now, I Will answer your phone.
--> Unless I am at home now , I canswer your phone.
3/ Have you told her about the present ( Passive )
-->.....
4/ Tom is answering this question at the momments ( Passive )
-->.......
5/ I fell asleep because the film was so boring.
--> If the film was so boring, I would fell asleep
--> Unless the film was so boring, I wouldn'd fell asleep
6/ Because he cut these young trees. He was punished.
--> If he cutted these young trees, He would punished.
--> Unless he cutted these young trees, He wouldn't punished.
7/ If she doesn't work harder, she will lose the job.
--> If she works harder, she won't lose the job.
--> Unless she works harder, she will lose the job.
8/My boyfriend didn't give me the address, so I couldn't meet him.
--> If My boyfriend wass give me the address, I couldn't meet him.
--> Unless My boyfriend gave me the address, I couldn't meet him.
9/ We couldn't visit the museum because we didn't have enough time.
--> If we didn't have enough time, We couldn't visit the museum
--> Unless we had enough time, We couldn't visit the museum
10/ She does a lot of household chores so she fells very tired.
--> If She does a lot of household chores s, she will fell very tired.
--> Unless She doesn't do a lot of household chores , she will fells very tired.
11/ It is rainning now, so I will not go for a walk.
--> If It is rainning now, I will not go for a walk.
--> Unless It is rainning now, I won't not go for a walk.
12/ The building is too high. He can't climp up
--> If The building was too high, He coldn't climp up
--> Unless The building Was too high, He could climp up
13/ I couldn't make a film because I wasn't a good director
--> If I wasn't a good director, I couldn't make a film
--> Unless I was a good director, I couldn't make a film
14/ He didn't work hard last term, he lost his job.
--> If He wasn't work hard last term, he could lost his job.
---> Unless He was work hard last term, he could lost his job.

REVIEW
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
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
REVIEW
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
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

1: we didn't visit the museum because we didn't have time.
---> If we had had time, we would have visited the museum.
2: she got tired because she worked so hard.
---> If she hadn't worked so hard, she wouldn't have gotten tired.
3: he didn't pass the exam because he didn't work hard
---> If he had worked hard, he would have passed the exam.
4: they didn't attend the lectuer, so they were punished
----> If they had attended the lecture, they wouldn't have been punished.
5: I didn't have an unbrella with me so I got wet.
----> I wouldn't have gotten wet if I had had an umbrella.
6: you drink too much coffee , that's why you can't sleep
-----> If you didn't drink too much coffee, you could sleep.
7:dick is in prison because a detective recognized him.
----> If a detective hadn't recognized Dick, he wouldn't be in prison.
8: I don't have any money , so I can't lend you any .
---> If I had some money, I could lend you some.
9: I didn't have the money , so I didn't buy a new suit.
----> If I had had the money, I would have bought a new suit.
10: she doesn't live in london because she doesn't know anyone there.
----> If she knew someone in London, she would live there.
11: I can't live in the country because I don't find a job there .
---->If I found a job in the country, I could live here

Rewrite sentence
1. I advice you to pay more attention to the road when driving
-> If I ____were you, I would pay more attention to the road when driving____
2. You'll have a headache tomorrow if you watch too much TV
-> Unless you stop ___watching too much TV, you'll have a headache tomorrow__
3. We don't have a garden, so we don't grow our own vegetables
-> If we ___have a garden, we will grow our own vegetables _____
4. Don't leave the milk out of the fridge or it'll go off
-> If _____you leave the milk out of the fridge, it 'll go off_____
5. Give me all your money or I'll kill you
-> Unless ____you give me all your money, I'll kill you____
6. I'm too busy to go out with you this evening
-> If I ___amn't too busy this evening, I'll go out with you____
7. He doesn't give you good advice because he isn't your true friend
-> If he ____gived you good advice, he would be your true friend____
I didn't send you a present because I didn't have your address
☛ If I had yours address, I would send you a present
If I had had your address, I would have sent you a present