Bài tập Unit 7 môn Tiếng Anh Lớp 8 (Thí điểm)

UNIT 7 : POLLUTION
(CONDITIONAL SENTENCES)
Exercise 1: Put the verbs in brackets into the correct form:
If I see him , I _____ (give ) him a gift.
If I had a typewriter, I _____ (type) it myself. 
If I had known that you were in hospital, I _____ (visit) you.
You could make better progress if you _____ (attend) class regularly. 
If I _____ (know) his telephone number, I’d give it to you. 
If you _____ (arrive) ten minutes earlier, you would have got a seat. 
If he worked more slowly, he _____ (not make) so many mistakes.
I shouldn’t drink that wine if I _____ (be) you.
If I _____ (find) a cheap room, I will stay a fortnight.
A lot of people _____ (be) out of work if the factory closed down.
Exercise 2: Make conditional sentences:
Keep silent or you’ll wake the baby up.
 →If ....
Stop talking or you won’t understand the lesson.
→ If .......
I don’t know her number, so I don’t ring her up.
→ If ........
I don’t know the answer, so I can’t tell you.
→ If ...
We got lost because we didn’t have a map.
→ If ....
Susan felt sick because she ate four cream cakes. →..
Without this treatment, the patient would have died. →.....
He lost his job because he was late every day. →...
Peter is fat because he eats so many chips. →.....
Robert got a bad cough because he started smoking cigarettes. →....
Exercise 3: Use UNLESS instead of IF 
EX: 	If you do not study hard, you will fail the exam. 
 	Unless you study hard , you will fail the exam
If you do not like this one, I’ll bring you another 
Unless 
If she does not hurry, she’ll be late 
Unless .
If you are not careful, you’ll cut yourself 
Unless 
if you had not sneezed, he wouldn’t have known that we were there.
Unless  	 
Exercise 4: One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them.
If Lucia had been here now, she would find out the truth about her uncle’s accident.
 A B C D
If a student takes a course on Computer Science, it will take him four years doing the course.
 A B C D
Unless it did not rain, Peter would pay us a visit.
 A B C D
If had I known you were in financial difficulty, I would have helped you.
 A B C D
If I had knew the time when the match started, I would have told you.
 A B C D
If she had finished the work, she can go home.
 A B C D
If I had spoken more confident at the interview, they would have offered me the job.
 A B C D
If we had had a map, we would not be lost yesterday.
 A B C D
Had I known Alice’s address, I would write to her.
 A B C D
If I had realized that the traffic lights were red, I would stop.
 A B C D
If had you sent the application form to that company, you would have been offered a job.
 A B C D
He spends money carelessly as if he was a millionaire. 
 A B C D 
Unless you work harder, you will be sack because of your laziness.
 A B C D
Unless there had been the heavy storm, the climbers will not have died.
 A B C D
She has found that nobody can help her if she did not try her best to do it herself.
 A B C D
Exercise 5: Choose the best answer:
If I .a lot of money now, I ..a new car.
A. have /will buy	B. have / would buy	C. had/ will buy	D. had/ would buy.
If I you, I .do that.
A. am/ will	B. were /would	C. were/ will	D. had been/ would.
if I were offered the job, I think I . it.
A. take	B. will take	C. would take	D. would have taken.
I would be very surprised if he..
A. refuses	B. refused	C. had refused	D. would refuse.
Many people would be out of work if that factory..down.
A. closes	B. had closed	C. closed	D. would close.
If she sold her car, she  much money.
A. gets	b. would get	c. will get	d. would have got.
They would be disappointed if we.
a. hadn’t come	b. wouldn’t come	c. don’t come	d. didn’t come.
Would John be angry if I . his bicycle without asking?
a. take	b. took	c. had taken	d. would take.
She .terrible upset if I lost this ring.
a. will be 	b. would be	c. were	d. had been.
If someonein here with a gun, I would be very frightened.
a. would walk	b. walks	c. had walked	d. walked.
What would happen if you ..to work tomorrow?
a. don’t go	b. didn’t go	c. won’t go	d. wouldn’t go.
We ‘ll get wet if we .out.
a. go	b. did go	c. went	d. had gone.
If I go shopping, I some food.
a. buy	b. will buy	c. would buy	d. would have bought.
If I find it, I you.
a. will tell	b. would tell	c. had told	d. told.
What would you do if youa million dollars?
a. would win	b. win	c. had won	d. won.
They ‘d be hurt if I .
a. don’t go	b. didn’t go	c. hadn’t gone	d. wouldn’t go.
If we took the 6: 30 train, wetoo early.
a. would have arrived	b. arrived	c. will arrived	d. would arrive.
If I had known you were in hospital, I to see you.
a. will go	b. would go	c. went	d. would have gone.
If I ., I would have said hello.
a. had seen	b. see	c. saw	d. would see.
I..out if I hadn’t been so tired.
a. will go	b. went	c. would have gone	d. would go.
If I ..a camera, I would have taken some pictures.
a. have 	b. had	c. would have	d. had had.
You won’t pass the examinationyou study more.
a. as long as	b. unless	c. if 	d. whether.
If only I you wanted to invest money in business.
a. had known	b. knew	c. have known	d. know.
If I were to leave my country , I disappointed.
a. probably be 	b. would have been c. will be	d. would be.
If he hadn’t wasted too much time, he.in his examination.
a. would fail	b. wouldn’t fail	c. wouldn’t have failed.	d. won’t fail.
If I had taken that English course, I ..much progress.
a. had made	b. would have made	c. made	d. would make.
If I were in your place, I .a trip to England.
a. will make	b. had made	c. made.	d. would make.
If I .. you , I’d save some of your lottery winning.
a. be	b. were	c. am	d. was
If the car .. larger, we would have bought it.
a. had been	b. have been	c. has been	d. been
If I had enough money, I  abroad to improve my English.
a. will go	b. should go	c. would go	d. should have go to
Exercise 6: Rewrite the following sentences:
He can’t go out because he has to study for his exam.
=> If..
She is lazy so she can’t pass the exam.
If
He will pay me tonight; I will have enough money to buy a car.
=> If.
He smokes too much; that’s why he can’t get rid of his cough.
=> If..
She is very shy, so she doesn’t enjoy the party.
=> If..
I will get a work permit. I will stay for another month.
=> If..
He doesn’t take any exercises. He is so unhealthy
=> If.
We can’t get the ticket because I don’t have the right change.
=> If..
Study hard or you won’t pass the exam.
=> If..
Don’t be impatient or you will make mistakes.
=> If..
I didn’t eat lunch, I feel hungry now.
=> If I...
I only come if they invite me.
=> unless.
He didn’t revise all his lessons, he failed the exam.
=> If he..
The park is over there, only 5 minutes’ walk.
=> If you walk.
Leave me alone or I’ll call the police.
=>Unless	
If you arrive at the office earlier than I do, please turn on the air-conditioner.
=> Should.	
The children don’t go to school in the snowy weather.
=> If it 	
He died so young; otherwise, he would be a famous musician by now.
=>Had 	
You must tell me the whole truth or I won’t help you.
=> Unless	
The car breaks down so often because you don’t take good care of it.
=> Were I	
He is very bad-tempered, that’s why his wife left him soon after marriage.
=> If he
Don’t tell lies to your boss or you’ll be fired at once.
=> If
She got married at such an early age: otherwise, she would be at university now.
=> Had .	
Exercise 7: Put the verbs in brackets in correct tenses.
1/ If I (have) ________ a typewriter, I could type it myself.
2/ If I had known that you were in hospital , I (visit) ________ you.
3/ You could make much progress if you (attend) ________ class regularly.
4/ If I (know) ________ his telephone number, I would give it to you.
5/ If you (arrive) ________ ten minutes earlier, you would have got a seat.
6/ If he (study) ________ harder, he can pass an exam.
7/ She may be late if she (not hurry) ________.
8/ Tell him to ring me if you (see) ________ him.
9/ If you (speak) ________ more slowly,he might have understood you.
10/ What (you do) ________ if you got fat ?
11/ If you are kind to me, I (be) _______ good to you.
12/ He (come) _______ if you waited.
13/ If you (ring) _______ the bell, the servant would come.
14/ If I had known that the baby was hungry, I (feed) _______ him.
15/ If it (not, rain) _______ a lot, the rice crop wouln’t grow.
16/ If today (be) _______ Sunday, we wouldn’t have to work.
17/ If she had had your address, she (write) _______ to you.
18/ We lost the match. If you (play) _______ for us, we (win) _______.
19/ They would not be paid unless they (do) _______ their work well.