CÂU ĐIỀU KIỆN IF

BÀI TẬP CÂU ĐIỀU KIỆN
(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 6: Choose the best answer for each of the following sentences.
_____have enough apples, she’ll make an apple pie this afternoon.
A.Should she B. If she C. Will she D. Unless she
If you_____to me, you wouldn’t have got so much trouble.
A. listened B. would listen C. had listened D. Would have listened
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
If the sun _____, we _____for a walk.
A. shines / will go B. shone / will go C. shone / would go D. had shone / would go
The campfire _____ if it _____ last night.
A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t