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1. I would be surprised if Ann came to see us now.
2. If we had enough money,we would go on holiday
3. Unless you do these exercises more carefully, you will fail the exam.
4. If I knew the answer, I could tell you.
5. If she knew French, she could apply for the job
6. Unless she cam here now, we'd come back home
7. Unless you are careful, you will be able to get the job
8. If it rains soon, the tree won't die
* Rewrite the sentences.
1. It is late now; I don't think Ann will come to see us.
-> I would be surprised if __________Ann came to see us________.
2. We don't go on holiday because we don't have enough money.
-> If _________we had enough money, we would go on holiday_________.
3. Do these exercises more carefully or you will fail the exams.
->Unless_________you do these exercises more carefully, you will fail the exams_________.
4. I do not know the answer so I cannot tell you.
-> If _________I knew the answer, I could tell you_________.
5. She can't apply for the job because she doesn't know Frencj.
-> If she knew__________Frencj, she could apply for the job________.
6. If she didn't come here now, we'd come back home.
-> Unless__________she came here now, we'd come back home________.
7. Be careful or you will not be able to get the job.
-> Unless__________you are careful, you won't be able to get the job________.
8. The trees will die unless it rains soon.
-> If_________it doesn't rain soon, the trees will die_________.
Choose the best answer for each of the following sentences.
1. 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.
2. 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.
3. 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.
4. ______ there are some more ideas, we can end the meeting now.
A. If
B. As if
C. Unless
D. In case
5. 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
6. If they had searched more carefully, they _____ the watch sooner.
A. will find
B. would find
C. found
D. would have found
7. If I had got up early, I _______ to have breakfast now.
A. have
B. had
C. would have
D. would have had
8. I cannot buy a new computer ____ I save enough money.
A. if
B. even if
C. unless
D. as if
9. 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
10. If you do so, it _____ the matter worse.
A. makes only
B. would only make
C. will only make
D. had only made
11. You ______ English fluently unless you practice it every day.
A. will speak
B. will not speak
C. can speak
D. did not speak
12. Hurry up ______ you will miss the bus and be late for school.
A. if
B. and
C. or
D. as
13. You will get a good seat if you ______ first.
A. come
B. came
C. have come
D. will come
14. 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
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
a. Put the verb in brackets into the correct tense:
1.If I see him, I (give) ...........will give............................ him a gift.
2.If he (study) ...............studies..................... hard, he can pass the exam.
3.Rice plants (grow) ..........will grow...................... if there is enough rain.
4.If she (not hurry) .........does not hurry........................, she may be late.
5.If I tell you a secret, ..will............. you (promise) ......promise.................. not to tell it to anyone ?
1. I didn't know that you were in hospital, so I didn't visit you.
If I had known tha you were in hospital, I would have visited you.
2. Hurry up or you will be late
If you don't hurry up, you will be late.
3. She is very busy, so she can't help me now
If she weren't very busy, she could help me now.
4. He didn't phone me because he didn't know my phone number
If he had known my phone number, he would have phoned me.
5. You're unfit because you don't take exercise
If you took (more) exercise, you would be fit/ wouldn’t be unfit.
6. Unless you are careful, you will cut yourself with that knife
If you are not careful, you’ll cut yourself with that knife
7. If i have time, I'll help you. => Unless. I have time, I won’t help you.
......
8. Dick often causes accidents because he drives carelessly
If he had studied his lessons very carefully, he wouldn’t get bad marks now.
9. I can't apply for that job because I don't know English
If Dick drove carefully, he wouldn’t cause accident (often)
10. He didn't study his lessons very carefully, so he gets bad marks now
If I knew English, I could apply for that job.
11. Susan is overweight because she eats too much chocolate
If Susan ate less chocolate, she wouldn’t be overweight
12. His father often punishesvhim for his laziness
If he weren’t lazy, his father wouldn’t punish him (often).
13. Study harder or you'll fail in the next exam
Unless you study harder, you'll fail in the next exam.
14. We did not visit the museum because we had no time
If we had had time, we would have visited the museum.
15. Without Jack's help, I wouldn't have been able to move the table
If Jack hadn't helped, I wouldn't have been able to move the table.
1. I didn't know that you were in hospital, so I didn't visit you.
If I had known tha you were in hospital, I would have visited you.
2. Hurry up or you will be late
If you don't hurry up, you will be late.
3. She is very busy, so she can't help me now
If she weren't very busy, she could help me now.
4. He didn't phone me because he didn't know my phone number
If he had known my phone number, he would have phoned me.
5. You're unfit because you don't take exercise
If you took (more) exercise, you would be fit/ wouldn’t be unfit.
6. Unless you are careful, you will cut yourself with that knife
If you are not careful, you’ll cut yourself with that knife
7. If i have time, I'll help you.
Unless. I have time, I won’t help you.
8. Dick often causes accidents because he drives carelessly
If he had studied his lessons very carefully, he wouldn’t get bad marks now.
9. I can't apply for that job because I don't know English
If Dick drove carefully, he wouldn’t cause accident (often)
10. He didn't study his lessons very carefully, so he gets bad marks now
If I knew English, I could apply for that job.
11. Susan is overweight because she eats too much chocolate
If Susan ate less chocolate, she wouldn’t be overweight
12. His father often punishesvhim for his laziness
If he weren’t lazy, his father wouldn’t punish him (often).
13. Study harder or you'll fail in the next exam
Unless you study harder, you'll fail in the next exam.
14. We did not visit the museum because we had no time
If we had had time, we would have visited the museum.
15. Without Jack's help, I wouldn't have been able to move the table
If Jack hadn't helped, I wouldn't have been able to move the table.
I,The words and phrases in bold in eah sentences are wrong. Write the correct word or phrase
1, If we will go -> go shopping tomorrow,I'll probably buy a new top
2,If Mum is tired tonight, I cook -> I will cook dinner
3, John will tell us if there will be -> is any news
4, if I won't -> don't get a good mark in the geography test, I'll be very annyed!
5, You are -> will be tired in the morning if you don't go to bed soon
6,If you see Karen, do -> will you ask her to call me?
7, Does -> Will Frank come with us if we go to the beach at the weekend?
8, If you need help, will tell -> tell me!
II,Complete using the correct form of the verbs in brackets
1, If I do (do) well in the exam, my parents will buy me an MP3 player
2,If my sister borrow my clothes again, I will scream(scream)!
3,We'll leave at six o'clock if the weather is (be) bad
4,They won't mind (not/mind) if we're a bit late this afternoon
5,Sarah will be very annoyed if Dave doesn't call (not/call) her this evening
6, Will you still go to the concert if the tickets cost (cost) 60 euros?
7, If Rania doesn't come to the party, will Greg be (Greg//be) upsset?
8, I'll be suprised if Doup and Dana don't get (not/get) a new car soon
III,Circle the correct word or phrase
1, If I win/won a million euros, I'd buy my mum and dad a new house
2, If Steve paid more attention in class, he will/would learn more
3,They'll/They'd go on a cruise if they had enough money
4, You'd feel a lot healthier if you don't/ didn't eat so much fast food
5,If I have/ had a bike, it wouldn't take me so long to get to school
6,If you met Tom Hanks, what will/would you ask him?
7,Will /would Boby be upset if I didn't invite him?
8. If I am/ were you, I'd get a haircut!
1.if you don't take good care of it, the car breaks down so often
2.if you hurry up, you won't be late
3.if she were very busy, she couldn't help me now
4.if the weather weren't snowny, the children could go to school
5.if you take exercise, you will be fit
6.if you were careful, you would't cut yourself with that knife
7.unless i had time, i would't help you
8.unless you leave me alone, i will call the police
9.if he drives carefullly, dick doesn't often cause accidents
10.if i knew english, i could apply for that job
11. unless you tell me the whole truth, i will help you
12. unless they invited me, i wouldn't come
I. Put the verds in brackets into the correct forms:
1. If I (have) .have.... time, I will write to him.
2. If it's cold, I (need) .will need... a heavier coat
3. What are you going to do if you (have).have... a holiday?
4. If I meet Helen, I (give)..will give... her your messenger
5. If I can go tomorrow, I (let)...will let.. you know
6. If flowers don't get any water, they (die)..will die..
7. Don't come if they (not call)..don't call..you
8. If I didn't feel so tired, I (go)...would go. out with you.
9. I could repair the car if I (have).had... the right tools.
10. If she hadn't been ill yesterday, she (go).would have gone.... to work now.
II. Rewrite these sentences, beginning as shown, so that the meaning stays the same:
1. If you don't like this one, I'll bring you another.
=> Unless you like this one, I'll bring you another.
2. I'll only help you if you promise to try harder.
=> Unless you promise to try harder,. I won't help you
3. Unless you work hard, you will not fail the exam
=> If you don't work hard, you will not fail the exam
4. Stand up or you will be punished.
=> Unless you don't Stand up ,you will be punished.
5. Do your homework or you will get bad mark
=> If you don't Do your homework,you will get bad mark
III. Rewrite these sentences use "If"
1. I don't know enough about this machine, so I can't mend it myself.
=> If I knew enough about this machine, I could mend it myself.
2. I don't ride the bus to work every morning because it's always so crowed
=> If it weren't always so crowed, I would ride the bus to work every morning
3. The wwind is blowing hard, so I won't take the boat out for ride.
=> If The wwind wern't blowing hard, I would take the boat out for ride.
4. Nick can'r find the way because he doesn't have a map.
=> If Nick had a map,He could find the way
5. Susan felt sick because she ate many cream cake.
=> If susan hadn't eaten many crea, cake,she wouldn't have felt sick
6. Without this treatment, the patient would have died.
=> If it hadn't been for this treament, the patient would have died.
7. Those people weren't prepared to face the floods; therefore, the consequence was disastrous
=>If Those people had been prepared to face the floods; the consequence wouldn't have been disastrous
IV. Rewrite these sentences
1. The book was so expensive that I didn't buy it.
=> The book was too expensive for me to buy
2. He can touch the light because he's very tall
=> He is tall enough to touch the light
3. It is such good weather that they are going for picnic.
=> The weather is so good that they are going for picnic.
4. I didn't go and neither did my friend (either)
=> I didn't go and my friend didn't,either
create sentences with the same meaning by using otherwiseor or else
1. if you don't leave now, you'll be late for class
-> Leave now otherwise you'll be late for class.
2, if you don't go to bed, your cold will get worse
-> Go to bed or else your cold will get worse.
3, only if you speak both Japanese and Chinese fluently will you be considered for that job
-> You have to speak both Japanese and Chinese influently, otherwise you won't be considered for that job.
4, unless you have a ticket, you can't get into the theater
-> Get a ticket otherwise you can't get into the theater.