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4 Unless you invite her, she won't go to the party
5 Unless you run, you won't be on time
6 If you don't pay the money, I will call the police
7 Unless you put on your coat, you will get a cold
8 Unless he stops smoking, he will have problems later
9 If he doesn't know the news, he won't come back
10 Unless you help me, I won't give you that Beyonce'CD
21-If she …..him,she would be very happy.
A-would meet B-will meet C-is meeting 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-should go 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
26-If you……time, please write to me.
A-have B-had C-have had D-has
27-I shouldn’t go there at night if I ….you.
A-am B-was C-be D-were
28-If I …….get a pole, I will go fishing.
A-can B-could C-may D-might
29-If you had the chance,…….you go fishing?
A-did B-may C-would D-do
30-If you …..a choice, which country would you visit?
A-have B-had C-have had D-will have
Trắc nghiệm câu điều kiện từ 31-40
31-She will acept the offer if you persuade her.
A-unless B-because C-provided that D-otherwise
32-If he were here,he would accompany you on the piano.
A-Supposing he were here B-because he were here C-were he here D-Both Aand C
33-If she had gone abroad, she would have let you know.
A-had gone she abroad B-had she gone abroad
C-Because she had gone abroad D-while she had gone abroad
34-Trees won’t grow…….there is enough water.
A-if B-when C-unless D-as
35-……….she agreed, you would have done it.
A-if B-had C-should D-would
36-If he hadn’t wasted too much time , he ……in his examination.
A-would fail B-wouldn’t fail C-wouldn’t have failed D-won’t fail
37-If I had taken that English course, I…….much progress.
A-had made B-would have made C-made D-would make
38-If I were in your place, I….a trip to England.
A-will make B-had made C-would make D-made
39-If you inherited a million pounds,what…….with the money?
A-do you do B-will you do C-would you do D-are you going to do
40-If you……..as I told you, you…….in such predicament now.
A-Did/would not be B-had done/had not been
C-do/would not be D-had done /would not be
I. Choose the best answer to complete these following sentences.
1. Brian asked Judy________ to dinner and a movie.
A. out B. on C. for D. of
2. My wife backed me _______ over my decision to quit my job.
A. down B. up C. of D. for
3. The racing car _______ after it crashed into the fence.
A. blew out B. blew over C. blew up D. blew down
4. Our car ________ at the side of the highway in the snowstorm.
A. broke into B. broke away C. broke in D. broke down
5. Mike _________ Alaska, so he's used to cold weather.
A. comes over B. comes in C. comes across D. comes from
6. Jane had a difficult childhood. She _______ a broken home.
A. came from B. came over C. came in D. came up with
7. The woman _______ when the police told her that her son had died.
A. broke down B. broke away C. broke in D. broke into
8. Our teacher broke the final project _______ into three separate parts.
A. in B. into C. away D. down
9. Somebody _______ last night and stole our stereo.
A. broke off B. broke in C. broke out D. broke up
10. The firemen had to break _______ the room to rescue the children.
A. off B. up C. out D. into
11. The bomb_______ when he rang the bell.
A. went over B. went on C. went out D. went off
12. No one really believed it when the news came through that the "Titanic" had _______ on her maiden voyage.
A. gone over B. gone on C. gone down D. gone off
13. Does this jacket_______ my trousers?
A. go with B. go through with C. go ahead D. go off
14. He _______ about his new car all the time.
A. goes over B. goes on C. goes out D. goes off
15. Do you think you could _______ this work with me some time, Peter?
A. go over B. go on C. go out D. go off
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
19. He finished ______ and sat down. (to speak / speaking / speak / spoken)
20. I’ll write in Spanish finished ______ understand English. (because he don’t / because he doesn’t / because of he doesn’t / because of he don’t)
21. Sue ______. She never seems to stop. (work continuously / works continuously / works continuous / continuously works)
22. She ______ when she heard the news. (can’t help crying / can’t helped crying / couldn’t help cry / couldn’t help crying)
23. The children ______ surprised, were they? (weren’t / was / haven’t been / hasn’t been)
24. Did you go to Jane’s party last night? Of course, I did. But now I regret ______ there. (go / gone / going / went)
B – Unless = if…not. Câu điều kiện loại 1 (conditional sentence) có mệnh đề if ở thì hiện tại đơn, mệnh đề chính ở thì tương lai đơn. => „go‟.