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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
1) If you had checked (to check) the car, it (not/to break) would not have broken down in the middle of the desert.
2) If it had not rained(not/to rain), the children (to play) would have played outside.
3) If my parents had not been (not/to be) so tired, they would have watched(to watch) the film on TV.
4) If she had bought (to buy) a new hard disk, she would not have lost (not/to lose) all data.
5) If we had used(to use) the town map, we would not have got (not/to get) lost.
6) If Tom had eaten(to eat) more salad, he (not/to catch) would not have caught a cold.
7) If the police had not stopped(not/to stop) me, I would have reached (to reach) you in time.
8) If his older brother had not driven(not/to drive) so fast, he would not have crashed(not/to crash) into the other car.
9) If Fred had not cheated (not/to cheat) at the test, his teacher would not have(not/to phone) his father.
10) If I had not switched off(not/to switch off) the radio, I would have known (to know) about the second goal.
2) If it had not rained, the children would have played outside.
3) If my parents had not been so tired, they would have watched the film on TV.
4) If she had bought a new hard disk, she would not have lost all data.
5) If we had used the town map, we would not have got lost.
6) If Tom had eaten more salad, he would not have caught a cold.
7) If the police had not stopped me, I would have reached you in time.
8) If his older brother had not driven so fast, he would not have crashed into the other car.
9) If Fred had not cheated at the test, his teacher would not have phoned his father.
10) If I had not switched off the radio, I would have known about the second goal.
5. They insisted on my coming early.
- They insisted that __I should come early __
6. An accountant needs to master computer science.
- It is necessary that __master computer science has an accountant __
7. It’s time for us to leave now.
- It’s time we ___left now __
8. What a pity ! Your sister can’t come with us.
- If only ___your sister could come with us __
9. Everyone find it important for us to do something save the environment.
- It is important that we __do something save the environment ___
10. Michael lost his job last month, so he cannot buy a car.
- If Michael ___hadn't lost his job last month, he could have bought a car _
11. He regrets applying for the job in that company.
- He wishes __he hadn't applied the job in that company __
12. The headmaster insists on every schoolgirl’s wearing ao dai every Monday.
- The headmaster insists that ___every schoolgirl should wear ao dai every Monday _____
5. They insisted on my coming early.
- They insisted that __I should come early __
6. An accountant needs to master computer science.
- It is necessary that __master computer science has an accountant __
7. It’s time for us to leave now.
- It’s time we ___left now __
8. What a pity ! Your sister can’t come with us.
- If only ___your sister could come with us __
9. Everyone find it important for us to do something save the environment.
- It is important that we __do something save the environment ___
10. Michael lost his job last month, so he cannot buy a car.
- If Michael ___hadn't lost his job last month, he could have bought a car _
11. He regrets applying for the job in that company.
- He wishes __he hadn't applied the job in that company __
12. The headmaster insists on every schoolgirl’s wearing ao dai every Monday.
- The headmaster insists that ___every schoolgirl should wear ao dai every Monday __
Change into Passive
He has already finished his exercises.
his exercises have already been finished
People planted rice in those fields.
rice was planted in those fields.
Nam can write a car and a truck.
a car and a truck can be driven by Nam
Why did this boy break my window yesterday?
Why was my window broken by this boy yesterday?
They have not known him well.
He hasn't been known well
We will meet our pen pals at the station.
our pen pals will be met at the station.
Did you do your test perfectly?
was your test done perfectly?
Why didn’t you learn this lesson?
why wasn't this lesson learnt?
How long have they done their work?
how long has their work been done?
No one could help him.
he couldn't be helped
IV. Supply the correct verb form:
She usually (take) takes her children to the theatre by The Greens.
My TV has already (repair) been repaired yesterday.
will They (rebuild) rebuild their house next year?
Can you (help)help me?
Must this test (do) be done on time?
Water can’t (use) be used here.
He (not/ go) hasn't been gone to school by his mother yet.
is English (speak) spoken all over the world?
My father (not come) hasn't come back home from the meeting yet.
I (take) have taken part in her party since last night.
Change into Passive
He has already finished his exercises.
-> His exercises have already been finished.
People planted rice in those fields.
-> Rice is planted in those fields.
Nam can write a car and a truck.
-> A car and a truck can be driven by Nam.
Why did this boy break my window yesterday?
-> Why was my window broken by this boy yesterday?
They have not known him well.
-> He has not been known well.
We will meet our pen pals at the station.
-> Our pen pals will be met at the station.
Did you do your test perfectly?
-> Was your test done perfectly?
Why didn’t you learn this lesson?
-> Why wasn't this lesson learned?
How long have they done their work?
-> How long has their work been done?
No one could help him.
-> He couldn't be helped.
IV. Supply the correct verb form:
She usually (take) takes her children to the theatre by The Greens.
My TV has already (repair) been repaired yesterday.
Will They (rebuild) rebuild their house next year?
Can you (help) help me?
Must this test (do) be done on time?
Water can’t (use) be used here.
He (not/ go) hasn't gone to school by his mother yet.
Is English (speak) spoken all over the world?
My father (not come) hasn't come back home from the meeting yet.
I (take) took part in her party since last night.
Reported commands, request:
1. "Sit down, Mary" the teacher told
=>the teacher told mary to sit down
2. "Don't go near the sea, children"
=>i told children not to go near the sea
3. "Don't be late, Jim", Jim's teacher told
=>Jim's teacher told jim not to be late
4. "Do this test again, please" the teacher told
=>The teacher told him to do that test again
5. "Leave your keys on the desk, please"
=>i told her to leave her keys on the desk
6,"Don't use the telephone after seven o'clock"
=>i told them not to use the telephone after seven o'clock
7. "Finish the job tonight, please"
=>they told me to finish the job that night
8. "Whould you open the door, please?"
=>i told her to open the door
9. "Could you lend me some money, please?"
=>i asked him if he could lend me some money
10. "Would you pass me a cigarrete?"
=>he told me to pass him a cigarrete
Reported commands, request:
1. "Sit down, Mary" the teacher told
=>the teacher told mary to sit down
2. "Don't go near the sea, children"
=>i told children not to go near the sea
3. "Don't be late, Jim", Jim's teacher told
=>Jim's teacher told jim not to be late
4. "Do this test again, please" the teacher told
=>The teacher told him to do that test again
5. "Leave your keys on the desk, please"
=>i told her to leave her keys on the desk
6,"Don't use the telephone after seven o'clock"
=>i told them not to use the telephone after seven o'clock
7. "Finish the job tonight, please"
=>they told me to finish the job that night
8. "Whould you open the door, please?"
=>i told her to open the door
9. "Could you lend me some money, please?"
=>i asked him if he could lend me some money
10. "Would you pass me a cigarrete?"
=>he told me to pass him a cigarrete
CHÚC BẠN HỌC TỐT
1. If he could do that alone, he wouldn't ask for your help.
2. Jack won't come with us to the cinema unless we watch a film.