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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
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.If taechers taech environmental issues at school, students will more aware of protecting the environment
2. If light pollution will happens, animals will change their behaviour patterns.
3.If we switch from nuclear power to renewable renewable energy sources, the levels off radioactive pollution will decrease
4. If the water temperature increases, some aqua creatures will unable to reroduces
5. If the water is contaminated, people will get more diseases
CHERRY
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.
Reported Speech
1. He said, " If you have time what will you do? "
-> He said if I had time what I would do
2. She said, " If you want to lose weight, you must eat less bread. "
-> She said if I wanted to lose weight, I had to eat less bread.
3. He said, " If I had a map, I would lend it to you. "
-> He said if he had had a map, he would lend it to me.
4. He said, " If I had known that you were coming, I would have met you at the airport. "
->He said if he had known that I had been coming, he would have met me at the airport
5. He wondered, " If the baby is the girl what will they call her? "
->He wondered that if the baby were the girl what they would call her
6. He said, " If I lived near my office, I'd be in time for work. "
->He said if he had lived near my office, he would be in time for work
7. She said, " If you feel ill, why don't you go to bed? "
->She said if I felt ill, I should go to bed
Reported Speech
1. He said, " If you have time what will you do? "
-> He asked me what I would do if I had time
2. She said, " If you want to lose weight, you must eat less bread. "
-> She told me that I had to eat less bread if I wanted to lose weight
3. He said, " If I had a map, I would lend it to you. "
-> He told me that if he had a map, he would lend it to me
4. He said, " If I had known that you were coming, I would have met you at the airport. "
-> He told me that if he had known that I was coming, he would have met me at the airport.
5. He wondered, " If the baby is the girl what will they call her? "
-> He wondered what they would call her if the baby were the girl
6. He said, " If I lived near my office, I'd be in time for work. "
-> He said that if he lived near his office, he would be in time for work
7. She said, " If you feel ill, why don't you go to bed? "
-> She advised me to go to bed if I felt ill
I. Rewrite the following sentences, using the words given so that their meaning stays the same
1.Volunteers helps the flood victims to rebuild their house.
-> The flood victims ....are helped to rebuild their house by volunteers..
2.The storm has damaged hundreds of houses in my area.
-> Hundreds of houses ....in my area have been damaged by the storm ...
3.One effect of global warming is that sea levels are rising. The polar icecaps are melting. (Because)
-> ....Because one effect of global warming is that sea level are rising, the polar icecaps are melting ...
4.Nuclear explosions and detonations of nuclear weapon cause radioactive pollution. (lead to)
-> ....Nuclear explosions and detonations of nuclear weapon lead to cause radioactive pollution ...
5.He doesn't speak clearly, that is why people don't understand him.
-> If ...he spoke clearly, people would understand him ..
6.You should water your garden or all the plants will die.
-> If ..you don't water your garden, all the plants will die..
7.As soon as we got on the plane, the pilot told us to get off again
-> We had just ....got on the plane, the pilot told us to get off again ...
8.You should take the doctor advice
-> If ...I were you, I would take the doctor advice..
9.After many years of hard work, he retired
-> After ...he had worked hard for many years, he retired ...
10.They're organizing a big fair to raise funds for the earthquake victims
-> A big fair ...is being recognized to raise fund for the earthquake victims..
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
If I finish my work, I will call you
If you go out, you will not have enough time to do your test
If you don't do more exercise, you will not improve your health
If we don't protect the environment, environment will be contaminated.
If we don't reduce light pollution, animal will change their behaviour patterns
If we don't decrease water temperature, some aquatic creatures will be unable to reproduce
If we increase the water pollution,we will get more sickness.