Use UNLESS instead of IF.

1. The crops would have been ruined if the flood had risen higher.

THE CROPS WOULDN'T HAVE BEEN RUINED UNLESS THE FLOOD HAD RISEN HIGHER.

2. If you had not sneezed, he wouldn't have known that we were there.

UNLESS YOU HAD SNEEZED, HE WOULDN'T HAVE KNOWN THAT WE WERE THERE.

3. If she did her hair differenty, she would look quite nice.

UNLESS SHE DID HER HAIR DIFFERENTLY, SHE WOULD LOO QUITE NICE.

4. If john had played for our football team, we would not have lost the game.

UNLESS john had played for our football team, we woulD have lost the game.

Use UNLESS instead of IF.

1. The crops would have been ruined if the flood had risen higher.

Unless the flood had risen higher, the crops would not have been ruined

2. If you had not sneezed, he wouldn't have known that we were there.

Unless you had sneezed, he would not have known that we were there

3. If she did her hair differenty, she would look quite nice.

Unless she did her hair differently, she would not look quite nice

4. If john had played for our football team, we would not have lost the game.

Use UNLESS instead of IF.

1. If you are not careful, you will cut yourself with that knife.

UNLESS you are careful, you will cut yourself with that knife.

2. If you do not like this one, I'll bring you another.

UNLESS you like this one, I'll bring you another.

3. I'll not be able to do any work if I do not have a quiet room.

UNLESS I have a quiet room, I'll not be able to do any work

4. If she does not hurry, she'll be late.

UNLESS she hurries, she'll be late.

5. If we had more rain, out crops would be better.

UNLESS we had more rain, out crops wouldn't be better.

6. The crops would be have been ruined in the flood had risen higher.

UNLESS the flood had risen higher, The crops wouldn't be have been ruined

7. If you had not sneezed, he wouldn't have known that we were there.

UNLESS you had sneezed, he wouldn't have known that we were there.

8. If she did her hair differently, she would look quite nice.

UNLESS she did her hair differently, she would look quite nice.

9. If John had played for our football team, we would not have lost the game.

UNLESS John had played for our football team, we would have lost the game.

10. If I won a big prize in a lottery, I'd give up my job.

UNLESS I won a big prize in a lottery, I'd not give up my job.

1 we did not visit the museum because we had no time

a if we have time , we will visit the museum

b if we had time , we would visit the museum

c if we had had time , we would have visited the museum

d if we had had time , we will visit the museum

2 he looked frightened as if he ................

a ghost a sees b is seeing c has seen d had seen

3 ........... resigned , we would have been forced to sack him

a had he not b had not he c he had not d he not had

4 if you ................ me about the bad service , we’d have eaten there

a did not tell b would not have told c had not told d had told

5 the teacher was absent today, so class was canceled . if she ........... absent again tomorrow , class ........ tomorrow,too

a is/will cancel b is / will be canceled c was / would be canceled d was/ would cancel

6 if you .................. to my advice in the first place , you............... in this mess right now

a listen/will be b had listened / would not have been c will listened / would not be d had listened/ would not be

7 if i had been absent from class yesterday , i ............. the math test

a would missed b would have missed c will miss d miss

8 if you ............... here earlier , you ............. her

a had come / would have met b come / meet c came / would meet d comes will meet

9 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

10 if i were , i would work harder

a you would rather not work so hard

b you should work harder

c you should work with me

d do not work so hard

Eo ôi dài ghê

1, would have visited

2, would have won

3, had arrived

4, had been

5, would have been

6, hadn't seen

7, would have fallen

8, would you have accepted

9, had had

10, had known

11, would have offer

12, wouldn't have stung

13, had realized

14, would have stopped

15, would have reached

16, wouldn't have lent

17, had sneezed

18, had put

19, couldn't have got

20, wouldn't have tried

21, had spoken

22, wouldn't have been

23, had known

24, had tried

25, wouldn't have got

26, wouldn't have put

27, had been

28, would have come

29, wouldn't have turned

30, had looked

31, would have captured

32, had tried

33, would have taken

34, would have saved

35, hadn't called

Conditional Sentence Type II :

1/ He (come) would come if you waited.

2/ If you (ring) rang the bell, the servant would come.

3/ If it (not, rain) didn't rain a lot, the rice crop wouln’t grow.

4/ If today (be) were Sunday, we wouldn’t have to work

5/ You would have to stay in bed unless your health (improve) improved.

6/ If I (have) had a typewriter, I could type it myself.

7/ What (you do) would you do if you got fat ?

Conditional Sentence Type III:

1/ If I had known that you were in hospital , I (visit) would have visited you.

2/ If you (arrive) had arrived ten minutes earlier, you would have got a seat.

3/ If you (speak) had spoken more slowly,he might have understood you.

4/ If I had known that the baby was hungry, I (feed) would have fed him.

5/ If she had had your address, she (write) would have writen to you.

6/ If she (write) had writen more carefully, she might not have made too many mistakes.

Make conditional sentences without conjunctions.

1. If I were you, i'd accept the job.

were i you, i'd accept the job

2. If you had told me that he never paid his debts, I wouldn't have rung you.

had you told me that he never paid his debts, i wouldn't have rung you

3. If he had known your telephone number he would have rung you.

had he known your telephone number, he would have rung you

4. If it were nice, we would go for a walk.

were it nice, we would go for a walk

5. I would come to her wedding if I were invited.

were i to be invited, i'd come to her wedding

6. Would you visit me if I were sent to prison?

would you visit me were i be sent to prison?

7. Would you have written to her if you had known her address?

would you have written to her had you known her address?

8. What would you do if today were a holiday?

what would you do were today a holiday?

9. If they had asked me I would have helped them.

had they asked me i'd have helped them

10. Scientists think that men could live on the moon if there were air and water on it.

scientists think that men could live on the moon were there air and water on it

Make conditional sentences without conjunctions.

1. If I were you, i'd accept the job.

2. If you had told me that he never paid his debts, I wouldn't have rung you.

3. If he had known your telephone number he would have rung you.

4. If it were nice, we would go for a walk.

5. I would come to her wedding if I were invited.

6. Would you visit me if I were sent to prison?

7. Would you have written to her if you had known her address?

8. What would you do if today were a holiday?

9. If they had asked me I would have helped them.

10. Scientists think that men could live on the moon if there were air and water on it.

Make conditional sentences without conjunctions.

1. If I were you, i'd accept the job.

=>Were i you, i'd accept the job

2. If you had told me that he never paid his debts, I wouldn't have rung you.

=>Had you told me that he never paid his debts, i wouldn't have rung you

3. If he had known your telephone number he would have rung you.

=>Had he known your telephone number, he would have rung you

4. If it were nice, we would go for a walk.

=>Were it nice, we would go for a walk

5. I would come to her wedding if I were invited.

=>Were i to be invited, i'd come to her wedding

6. Would you visit me if I were sent to prison?

=>Would you visit me were i be sent to prison?

7. Would you have written to her if you had known her address?

=>Would you have written to her had you known her address?

8. What would you do if today were a holiday?

=>What would you do were today a holiday?

9. If they had asked me I would have helped them.

=>Had they asked me i'd have helped them

10. Scientists think that men could live on the moon if there were air and water on it.

=>Scientists think that men could live on the moon were there air and water on it

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

Make conditional sentences without conjunctions.

1. If I were you, i'd accept the job.

were i you, i'd accept the job

2. If you had told me that he never paid his debts, I wouldn't have rung you.

had you told me that he never paid his debts, i wouldn't have rung you

3. If he had known your telephone number he would have rung you.

had he known your telephone number, he would have rung you

4. If it were nice, we would go for a walk.

were it nice, we would go for a walk

5. I would come to her wedding if I were invited.

were i to be invited, i'd come to her wedding

6. Would you visit me if I were sent to prison?

would you visit me were i be sent to prison?

7. Would you have written to her if you had known her address?

would you have written to her had you known her address?

8. What would you do if today were a holiday?

what would you do were today a holiday?

9. If they had asked me I would have helped them.

had they asked me i'd have helped them

10. Scientists think that men could live on the moon if there were air and water on it.

scientists think that men could live on the moon were there air and water on it

1. had been
2. wouldn't have got
3. would have grown
4. had joined
5. had gone - would have met
6. had tried
7. had written
8. wouldn't have finished
9. hadn't meet - wouldn't have had
10. had had

1. If you (be)had been at home, you would have felt angry 

2. If it had rained harder, i (not get)wouldn't have got back on time 

3. Trees (grow) would have grown faste if the weather had been better

4. we would have had a lot of fun if you (join)had joined in that trip

5. If he (go)had gone to London yesterday, he (meet) would have met his old friend

6. Unless you (try) hadn't tried hard, you couldn't have passed the exmination

7. He must have got good mark if he (write)had written his report more carefully

8. Unless they had made many carefully prepartions, they (not finish)wouldn't have finished the work ferfecthy

9. If you (not meet)hadn't met him last week, you (not have) wouldn't have had enogh money to buy this motorbike

10. He might have borrowed the book if he (have)had had a library card 

Tham khảo

1. had been
2. wouldn't have got
3. would have grown
4. had joined
5. had gone - would have met
6. had tried
7. had written
8. wouldn't have finished
9. hadn't meet - wouldn't have had
10. had had