1.We’ll have lunch outside in the garden, _____ it’s too cold.

if B. unless C. in case      `           D. should

2.John _____ win more races if he trained harder.

would B. will C. would have        D. shall

3.If the machine _______, press this button.

stop B. stops C. would stop         D. stoped

4 The lecturer didn’t know what he was talking about, but if Dr Mason _____ I would have listened carefully.

lectured                            B. was lecturing

would lecture                   D. had been lecturing

5.I can’t understand what he sees in her! If anyone treated me like that, I _________ extremely angry!

am B. would be             C. will be                  D. was

6.If you _____ up all the orange juice that was in that carton, you ought to go out and get some more.

A. drank B. drinking C. drunk D. drink

1.We’ll have lunch outside in the garden, _____ it’s too cold

A. if                 B. unless       C. in case               D. should

2.John _____ win more races if he trained harder.

A. would       B. will             C. would have        D. shall

3.If the machine _______, press this button.

A. stop           B. stops         C. would stop         D. stoped

4. The lecturer didn’t know what he was talking about, but if Dr Mason _____ I would have listened carefully.

A. lectured                            B. was lecturing

C. would lecture                   D. had been lecturing

5.I can’t understand what he sees in her! If anyone treated me like that, I _________ extremely angry!

A. am B. would be             C. will be                  D. was

6.If you _____ up all the orange juice that was in that carton, you ought to go out and get some more.

A. drank                    B. drinking                C. drunk                   D. drink

1,  B. unless (= if not)

2, B. stops 

3, D

4, C

5, A

6, C

7, A

8, B

9, B

10, D

11, B

12, A

13, B

14, B

15, C

16, C

17, C

18, C

19, A

20, A

1.B

2.B

3.D

4.B

5.D

6.C

7.B

8.B

9.B

10.D

11.B

12.B

13.B

14.B

15.A

16.C

17.C

18.C

19.D

20.A

1."We'll have lunch outside in the garden if it's not cold" Mr John said

=> mr john said they would have lunch outside in the garden  if it was not cold

2."Tom would win more races if he trained hard", the man said

=> the man said tom would have won more races if he ha trained hard

3."If you fell like a chat,phone me tonight",David said to me

=> david said to me if i had felt like a chat, phone him that night

4."If you isn't eating so much junk food,you would be a lot fitter", mother said

mother said if i was not eating so much junk food, i would not have been a lot fitter

5."I will be surprised if Mary doesn't pass the exam"our teacher said

our teacher said he would be surprised if mary passed the exam

6."If you knew her hobbies, I could let you know", he said to me

he said to me if he had known her hobbies, he would have let me know

7."If you won the lottery, I would buy a new car",the man said

the man said if he had won the lottery, he would have bought a new car

8."If you had listened to my advice, you wouldn't have made such a big mistakes",Julia said to Lili

julia said to lili that if he had listene to her advice, he wouldnt have made such a big mistake

Giúp mk vs ạ ;-;

1 Mr.John said they would have lunch outside in the garden if it wasn't cold

2 The man said Tom would win more races if he trained hard

3 David told me is I felt like a chat, phoned him that night

4 Mother told me is I wasn't eating so much food, I would be a lot fitter

5 Our teacher said he/she would be surprised if Mary didn't pass the exam

6 He told me if he knew her hobbies, he could let me know

7 The man told me if I won the lottery, he would buy a new car

8 Julia told lili if she had listened to her advice, she wouldn't have made such a big mistake

1. I would help him if he (ask) …asked………………me.
2. What would you do if you (see) ……saw……………a snake?
3. What would he do if he (have) …had………………a lot of money?
4. John would win more races if he (train) ……trained……………harder.
5. How would your father react if you (leave) ……left……………school?
6. I would gladly tell you the answer if I (know) ………knew…………myself.
7. I would be a millionaire if I (win) ………won…………the first lottery prize.
8. That student could get much higher marks if he (study) ………studied…………harder.
9. The world would be a better place if there (be) ………were…………fewer road accidents.
10. Mr. Nam would be very happy to meet his old friends if they (come) ………came…………to see him.

1, asked

2, saw

3, had

4, trained

5, left

6, knew

7, won

8, studied 

9, were

10, came

Unless it doesn't rain , we will have lunch in the garden Gạch chân. Doesn't rain, will have , in , the A the B will have C doesn't rain D in

C. Doesn't rain

Vì sau unless ta dùng thể k. Định

Exercise 6 : Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she 2.If you_____to me, you wouldn’t have got so much trouble. A. listened B. would listen C. had listened D. Would have listened 3.If you don’t know how to spell a word, you_____ look it up in the dictionary. A. must B. will C. should D. ought 4.If the sun _____, we _____for a walk. A. shines / will go B. shone / will go C. shone / would go D. had shone / would go 5.The campfire _____ if it _____ last night. A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains 6.But for our parents, we _____ successful in life. A. will never be B. would never be C. wouldn’t have be D. would have never been 7.If I _____ my wallet at home this morning, I _____ money for lunch now. A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had 8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do. A. were / would know B. is / will know C. had been / would have known D. was / would know 9.If we _____ the plans carefully, we would not have had so many serious mistakes. A. study B. had studied C. studied D. were studying 10.I will never talk to you again _____ you apologize me _____ your being rude. A. if / for B. unless / for C. or / of D. whether / or 11._____if you work harder, you will be sacked. A. Whether B. If C. However D. Unless 12.I think you should stop smoking. A. If I am you, I will stop smoking. B. If I were you, I will stop smoking. C. If I were you, I would stop smoking. D. If I had been you, I would stop smoking. 13.If you take the ice out of the fridge, it _____. A. vaporizes B. melts C. heats D. disappears 14.We should do something to protect water from being polluted _____we will have nothing to drink in the future. A. if B. whether C. or D. unless 15.Let’s knock on their door to see _____home. A. if they’re B. unless they’re C. whether they were D. if they were 16.Unless we _____more snow, we can’t go skiing. A. will have B. have C. have had D. had 17.You’ll fail the exam _____ you start revising. A. if B. until C. when D. unless 18.Unless you wash the car, you _____not drive it at the weekend. A. would B. could C. have to D. may 19.If Peter _____his car before the drive, he _____the problem of out of petrol. A. checked / will not get B. had checked / would not have got C. checks / will not have got D. would be checking / will not have got 20.He stepped on the mine, and it exploded. A.If he doesn’t step on the mine, it doesn’t explode. B.If he doesn’t step on the mine, it won’t explode. C.If he didn’t step on the mine, it wouldn’t explode. D.If he hadn’t stepped on the mine, it wouldn’t have exploded. 21. In my experiments, the liquid is cooled to 32ºF. It always freezes. A.If you cool the liquid to 32 degrees, it froze. B.If you cooled the liquid to 32 degrees, it would freeze. C.If you cool the liquid to 32 degrees, it will freeze. D.If you had cooled the liquid to 32 degrees, it would have frozen. 22.It may rain this afternoon. I hope it doesn’t because I don’t want the match to be cancelled. A. If it rains, the match is cancelled. B. If it rains, the match will be cancelled. C. if it rained, the match would be cancelled D. If it had rained, the match would have been cancelled. 23.Unfortunately, I don’t know Philosophy, so I can’t answer your question. A.If I know Philosophy, I can answer your question. B.If I know Philosophy, I will be able to answer your question. C.If I knew Philosophy, I would be able to answer your question. D.If I had known Philosophy, I would have been able to answer your question. 24._____ there are some more ideas, we can end the meeting now. A. If B. As if C. Unless D. In case 25.If he _____with us now, he _____ the beauty of nature of the National Park. A. is / can enjoy B. was / will enjoy C. has been / would enjoy D. were / could enjoy 26.If they had searched more carefully, they...the watch sooner. A. will find B. would find C. found D. would have found 27.If I had got up early, I _____ to have breakfast now. A. have B.I had C. would have D. would have had 28.I cannot buy a new computer _____ I save enough money. A. if B. even if C. unless D. as if 29.Most people you meet will be polite to you _____. A. if you are polite to them B. if you will be polite to them C. unless you are polite to them D. if you were polite to them 30.If you do so, it _____ the matter worse. A. makes only B. would only make C. will only make D. had only made 31.You _____ English fluently unless you practice it every day. A. will speak B. will not speak C. can speak D. did not speak 32.Hurry up _____ you will miss the bus and be late for school. A. if B. and C. or D. as 33.You will get a good seat if you _____ first. A. come B. came C. have come D. will come 34.Sam will not graduate_____. A. if he passed all the tests B. if he does not pass all the tests. C. unless he passes all the tests D. unless he had passed all the tests. 35.If I had time, I would go with you. A.I am free and surely go with you. B.I am too busy to go with you. C. I will go with you because I have time. D. I am free enough to go with you. 36.If Margaret hadn’t been wearing a seat belt, she.... Injured. A. has been B. would has been C. would be D. would have been 37.If I _____ the rain yesterday, I_____ ill. A. had not caught / would have been B. had not caught / would have not been C. have not caught / were not D. have not caught / would have been 38.He looked frightened as if he _____ a ghost. A. sees B. is seeing C. has seen D. had seen 39.What _____if there _____ a serious nuclear accident. A. will happen / was B. happens / were C. would happen / were D. would happen / had been

Lần sau bn vt thì cách ra cho dễ nhìn nhé~~~~

Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she

2.If you_____to me, you wouldn’t have got so much trouble.

A. listened B. would listen C. had listened D. Would have listened

3.If you don’t know how to spell a word, you_____ look it up in the dictionary.

A. must B. will C. should D. ought

4.If the sun _____, we _____for a walk.

A. shines / will go B. shone / will go C. shone / would go D. had shone / would go

5.The campfire _____ if it _____ last night.

A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains

6.But for our parents, we _____ successful in life.

A. will never be B. would never be C. wouldn’t have be D. would have never been

7.If I _____ my wallet at home this morning, I _____ money for lunch now.

A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had

8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do.

A. were / would know B. is / will know C. had been / would have known D. was / would know

9.If we _____ the plans carefully, we would not have had so many serious mistakes.

A. study B. had studied C. studied D. were studying

10.I will never talk to you again _____ you apologize me _____ your being rude.

A. if / for B. unless / for C. or / of D. whether / or

1A 2A 3D 4B 5A 6C 7A 8D 9B 10A 11D 12A 13B 14A 15A 16C 17A 18C 19A 20A 21C 22C 23B 24C

25. were => had been

26. had => have

27. has => had

28. will study => study

29. am => were

30. will => would

31. to => bỏ to (X)

32. will => won't

33.apply to => apply for

34. will => would

35D 36D 37A 38C 39B 40C

Choose the best answer for each of the fllowing sentences
1. ............ if you work harder, you will be sacked.
A. Whether B. If C. However D. Unless

2. I think you should stop smoking.
A. If I am you, I will stop smoking B. If I were you, I will stop smoking
C. If I were you, I would stop smoking D. If I had been you, I would stop smoking

3. If you take the ice out of the fridge, it ...........
A. vaporizes B. melts C. heats D. disappears

4. We should do something to protect water from being polluted ........... we will have nothing to drink in the future.
A. if B. whether C. or D. unless

5. Let's knock on their door to see .......... home.
A. if they're B. unless they're C. whether they were D. if they were

6. Unless we .......... more snow, we can't go skiing.
A. will have B. have C. have had D. had

7. You'll fail the exam ........... you start revising.
A. if B. until C. when D. unless

8. Unless you wash the car, you .............. not drive it at the weekend
A. would B. could C. have to D. may

9. If Peter ............... his car before the drive, he ................ the problem of out of petrol.
A. cheked / will not get B. had checked / would not have got
C. checks / will not have got D. would be checking / will not have got

10. He stepped on the mine, and it exploded.
A. If he doesn't step on the mine, it doesn't explode.
B. If he doesn't step on the mine, it won't explode.
C. If he didn't step on the mine, it wouldn't explode.
D. If he hadn't step on the mine, it wouldn't have exploded.