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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
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
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.
1. If you don't see that film, you'll be sorry.
>> unless you see that film, you'll be sorry.
2. If you don't take morning exercises, you will be weak .
>> Unless you take morning exercises, you will be weak .
3. You will ger lost if you don't take a map with you.
>> Unless you take a map with, you will get lost .
4. They will kill him if he doesn't tell them the truth.
>> Unless he tells them the truth, they will kill him.
5. If we don't protect the forests, the environments will be so destroyed.
>> Unless we protect the forests, the environments will be so destroyed.
6. I will wait for her if she calls me.
>> Unless she calls me, I will not wait for her.
Còn lại làm tương tự nhé :))
1. comes
2. find
3. lived
4. arrived
5. will phone
6. would give
7. would
8. can go
9. will have
10. stop
11. were
12. had spoken
13. had listened – would have performed
14. comes – will have
Gạch chân dưới đáp án đúng:
1. If she (come / comes / came / had come) late again, she'll lose her job.
2. I'll let you know if I (find / finds / found / had found) out what's happening.
3. If we (live / lived / would live / had lived) in a town, life would be better.
4. I'm sure he wouldn't mind if we (arrive / arriving / arrived / had arrived) early.
5. We (will phone / would phone / phoned / had phoned) you if we have time.
6. If I won the lottery, I (gave / had given / will give / would give) you half the money.
7. It (will / would / can / may) be a pity if she married Fred.
8. If I'm free on Saturday, I (to go / could go / went / can go) to the mountains.
9. She (will has / had / will have / have) a nervous breakdown if she goes on like this.
10. I know I'll feel better if I (will stop / stopped / stop / had stopped) smoking.
11. If I (am / were / will be / had been) you, I would help him.
12. I could have understood him if he (speaks / spoke / had spoken / would speak) more slowly.
13. He didn't listen to the teacher. If he (listens / listened / has listened / had listened) carefully, he (will performed / would perform / would have performed / had performed) well in the examination.
14. He's waiting for his mother to come back from Chicago. If his mother (come / comes / will come / came) home, he?? đề thiếu
1) If we meet at 9:30, we will have plenty of time.
2) Lisa would find the milk if she looked in the fridge.
3) The zookeeper would have punished her with a fine if she had fed the animals.
4) If you spoke louder, your classmates would understand you.
5) Dan would arrive safe if he drove slowly.
6) You would have had no trouble at school if you had done your homework.
7) If you swim in this lake, you'll shiver from cold.
8) The door will unlock if you press the green button.
9) If Mel had asked her teacher, he'd have answered her questions.
10) I would call the office if I was/were you.
1) will have
2) looked
3) had fed
4) would understand
5) would arrive
6) would have had
7) swim
8) press
9) had asked
10) would call
Task 1: Choose the best answer
1. Do you think there would be less conflict in the world if all people _______the same language?
A. spoke B. speak C. had spoken D. will speak
2. Unless you __________all of my questions, I can’t do anything to help you.
A. answered B. answer C. would answer D. are answering
3. If someone __________ in to the store, smile and say, “May I help you?”
A. comes B. came C. come D. should come
4. “Here’s my phone number”.
“Thanks. I’ll give you a call if I __________some help tomorrow”
A. will need B. need C. would need D. needed
5. If I didn’t work for an accounting firm, I __________in a bank now.
A. work B. will work C. have worked D. would work
6. The death rate would decrease if hygienic conditions __________improved.
A. was B. is C. were D. had been
7. If she __________ him, she would be very happy.
A. would meet B. will meet C. met D. should meet
8. If I had enough money, I__________ abroad to improve my English.
A. will go B. would go C. went D. should have go to
9.The bench would collapse if they __________on it.
A. stood B. stand C. standing D. stands
10. If it __________convenient, let’s go out for a drink tonight,
A. be B. is C. was D. were
Task 1: Choose the best answer
1. Do you think there would be less conflict in the world if all people _______the same language?
A. spoke B. speak C. had spoken D. will speak
2. Unless you __________all of my questions, I can’t do anything to help you.
A. answered B. answer C. would answer D. are answering
3. If someone __________ in to the store, smile and say, “May I help you?”
A. comes B. came C. come D. should come
4. “Here’s my phone number”.
“Thanks. I’ll give you a call if I __________some help tomorrow”
A. will need B. need C. would need D. needed
5. If I didn’t work for an accounting firm, I __________in a bank now.
A. work B. will work C. have worked D. would work
6. The death rate would decrease if hygienic conditions __________improved.
A. was B. is C. were D. had been
7. If she __________ him, she would be very happy.
A. would meet B. will meet C. met D. should meet
8. If I had enough money, I__________ abroad to improve my English.
A. will go B. would go C. went D. should have go to
9.The bench would collapse if they __________on it.
A. stood B. stand C. standing D. stands
10. If it __________convenient, let’s go out for a drink tonight,
A. be B. is C. was D. were
P/S : Good Luck
~Best Best~
306. I last went there when I was a child.
I have __BEEN THERE SINCE I was a child ____
307. Hurry or you will late for the train.
If you ___DON'T HURRY,YOU will BE late for the train ___
308. “Did you go out with your brother last night ?” said John to me.
John asked me ___IF I WENT OUR WITH MY BROTHER THE PREVIOUS NIGHT____________
309. She last wrote to me 3 months ago.
She hasn’t _WRITTEN TO ME FOR 3 MONTHS_
310. It is very useful to speak English fluently.
Speaking English __FLUENTLY IS VERY USEFUL__
311. “I’ll complete the work only if you pay me 10$ extra” said Tom.
“Unless ___I PAID TOM 10$ EXTRA, HE WOULDN'T complete the work_
312. The architect has drawn plans for an extension to the house.
Plans __for an extension to the house HAVE BEEN DRAWN BY THE ARCHITECT___
313. We didn’t go on holiday because we didn’t have enough money.
If __WE HAD HAD ENOUGH MONEY, WE WOULD HAVE GONE ON HOLIDAY___
314. Unless he phones immediately, he won’t get any information.
If ___HE DOESN'T PHONE immediately, he won’t get any information___
315. The child will die if nobody sends for a doctor.
Unless SOMEONE SENDS THE CHILD FOR A DOCOR, HE WILL DIE____
316. The weather was so cold that children could not swim in it.
The weather was not __WARM ENOUGH FOR THAT CHILDREN TO SWIM IN___
317. “You’d better not lend him anymore money, Elizabeth” said John.
John advised Elizabeth ___NOT TO LAND HIM ANYMORE MONEY_____
318. I started to work for the company a year ago.
I __HAVE WORKED FOR THE COMPANY FOR A YEAR____
319. Because of the rough sea, the ferry couldn’t sail.
The rough sea __PREVENTED THE FERRY FROM SAILING________
320. This furniture is so old that it’s not worth keeping.
It is __SUCH AN OLD FURNITURE that it’s not worth keeping.___
306. I last went there when I was a child.
I have gone there when i was a child__________________________________________________________________
307. Hurry or you will late for the train.
If you hurries ,you will late for the traim__________________________________________________________________
308. “Did you go out with your brother last night ?” said John to me.
John asked me if i had gone out with my brother the previous night___________________________________________________________
309. She last wrote to me 3 months ago.
She hasn’t written to me for 3 months______________________________________________________________
310. It is very useful to speak English fluently.
Speaking English is very useful________________________________________________________
311. “I’ll complete the work only if you pay me 10$ extra” said Tom.
“Unless i don't pay me 10$ extra,i will complete the work only________________________________________________________________
312. The architect has drawn plans for an extension to the house.
Plans have been drawn for an extension to the house by the architect__________________________________________________________________
313. We didn’t go on holiday because we didn’t have enough money.
If we had gone on holiday ,we would have had enough money_____________________________________________________________________
314. Unless he phones immediately, he won’t get any information.
If he doesn't phone immediately ,he won't get any information_____________________________________________________________________
315. The child will die if nobody sends for a doctor.
Unless nobody doesn't send for a doctor ,the child will die_________________________________________________________________
316. The weather was so cold that children could not swim in it.
The weather was not warm for that children to swim in it______________________________________________________
317. “You’d better not lend him anymore money, Elizabeth” said John.
John advised Elizabeth not to lend him anymore money____________________________________________________
318. I started to work for the company a year ago.
I have worked for the company for a year______________________________________________________________________
__
Viết lại mỗi câu bắt đầu như thể hiện, để ý nghĩa vẫn giữ được cùng1. Nếu bạn không cho tôi mượn tiền, tôi sẽ không thể mua máy tính mới. Trừ khi ... .2. Nếu cô ấy đã không giúp tôi, tôi không thể hoàn thành dự án của mình đúng giờ. Trừ khi..3. Bạn sẽ thất bại trong các bài kiểm tra của bạn nếu bạn không làm việc chăm chỉ hơn. Trừ khi ... 4. Chúng tôi đã bỏ lỡ chuyến tàu vì chúng tôi đã sử dụng thời gian biểu lỗi thời. Nếu..5. Anh ấy trông không hấp dẫn vì anh ấy không bao giờ cạo râu. Nếu..6. Ngôi nhà khá lạnh vì tôi không có hệ thống sưởi trung tâm. Nếu ... 7. Nếu tôi có rất nhiều tiền, tôi sẽ mua một ngôi nhà lớn là ... 8. Người Anh nói rất nhanh. Có lẽ đó là lý do tại sao tôi không hiểu chúng. Nếu ... 9. Nếu tôi đã vượt qua kỳ thi tuyển sinh, bố mẹ tôi có thể hạnh phúc hơn. Đã có ....10. Tôi đã không làm việc chăm chỉ ở trường để tôi không có được một công việc tốt. Nếu ... 11. Nếu không có sự giúp đỡ của cô, tôi không thể hoàn thành dự án của mình đúng giờ. (Tùy chọn) Nếu ...
Mẫu câu conditional 1:
If + S + V, S + will + V
1. Turn off all the lights and you will not pay more money.
If you turn of all the lights, you won't pay more money.
2. Unless she wears warm clothes, she will have a cold.
If she doesn't wear warm clothes, she will have a cold.
CHÚ THÍCH: unless=if not
3. Be careful or you may have an accident.
If you don't be careful you may have a accident.
4. phone your parents or you have a trouble.
If don't phone your parents, you'll have a trouble.
5. Unless she whispers, everyone knows what she is saying.
If she doesn't whisper, everyone will know what she is saying.
an accident nha =))
C4 If you don't phone ...