Kiểm tra ngữ pháp chapter 4 CONDITIONAL SENTENSES

CONDITIONAL SENTENSES

(CÂU ĐIỀU KIỆN)

Có 3 loại điều kiện đ phân theo bảng công thức sau :
TYPE(loại điều kiện)
1) Real condition(điều kiện
có thể xảy ra ở hiện tại
hoặc tương lai)-mệnh đề
chính dùng thì tương
lai,mệnh đề if dùng thì
hiện tại.
2) Present –unreal
condition(điều kiện không
thật ở hiện tại )
3) Past-unreal
condition
(điều kiện không thật ở
quá khứ)

Main clause(mệnh đề
chính)
WILL
S + CAN
+
V
SHALL
MAY

If-clause(mệnh đề if)

WOULD
COULD
S+
SHOULD + V
MIGHT
WOULD
S+ COULD have +V 3/ed
SHOULD
MIGHT

S+ V 2/ed
(past subjunctive-quá khứ
giả đònh - be :were )

S + V(0/S/ES)
(Simple present )

S
+ HAD +V3/ed
(past perfect subjunctiveQuá khứ hoàn thành thể
giả đònh)

*Note 1: CONDITIONAL SENTENCES WITH “ unless” (nếu… không )

S1 + V1 +if + S2 + V2 (negative)
S1 + V1 + unless + S2 + V2 (affirmative)
Ex 1 : World population will continue to rise if we do not try to reduce it .
----> Unless we try to reduce World population , it will continue to rise.
Ex 2: This tree won’t grow if there is no water .
-----> This tree won’t grow unless there is no water .

Ex 3 : If he doesn’t apologize ,I will never invite him home again .
-----> Unless he apologizes ,I will never invite him home again .
*Note 2: Modal verbs with If , tuỳ theo tình huống mà ta chọn những động từ khiếm khuyết cho
phù hợp.

Exxecise1: Complete the sentences.Use the madal verbs in brackets and the information in the box :
stay /bed ; do / homework ; do / exercise ; go / university ; study hard ; miss /train
+Conversation 1 :
Lan : My grades are terrible .
Mrs Quyen : If you want to get good grades , you must study hard .(must)
+Conversation 2:
Hoa : I ‘d like to be a doctor.
Aunt Thanh : You_____________________________if you want to study medicine.( have to )
+Conversation 3 :
Ba : Oh ,no ! I weigh 60 kilos !
Nga : If you want to lose weight ,_____________________________________(should)
+Conversation 4 :
Tuan : Where is Ba ? He is very late .
Mrs Thoa : If he doesn’t come soon ,_________________________________(might)
+Conversation 5:
Mr Ha : I feel sick.
Mrs Nga : If you want to get well ,_________________________________________(ought to )
+Conversation 6:
Na : I ‘d like to go to the movies ,Mom.
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Mrs Kim : __________________________________ if you want to go out . ( must)
*Exercise 2 :Match each half-sentence in column A with a suitable one in column B :
A

1) If we pollute the water,….
2) If you cut down the trees ,….
3) If there is too much exhaust fume in the air ,…
4) If you can keep your neighborhood clean,…
5) If people stop using dynamite for fishing,…

B
a) there will be big floods every year.
b) a lot of sea creatures will be well preserved.
c) more and more people will cope with
respiratory prolem.
d) you will have an ideal place to live.
e) we will have no fresh water to use.
*Exercise 3 :use the correct form of the verbs in parentheses :
1) If John studies hard , he (pass)……………………………. ………….his examinations.
2) If I finish my work in time , I (go )……………………………… ………….to the ball game.
3) If you don’t hurry ,we (be)……………………… …………...late for class.
4) If I have time tomorrow, I (go )………………………… ………….…..shopping with you .
5) If the weather is nice tomorrow, we (go )………………… ………….……..to the beach.
6) If I (find )………………………… …………...the book ,I will give it to you.
7) If you (drive)…………………… ………….……slowly, you won’t have any accidents.
8) If the train (be)…………………… ………….…..late , we won’t be able to see them.
9) If he (go)……………… ………….………to Mexico ,he will be able to practice his Spanish.
10) If Tom (call)……………… ………….……me ,I will speak to him.
*Exercise 4 :use the correct form of the verbs in parentheses :
1) If I knew her well , I (speak)……………………… ………….……………………to her.
2) If we had a lot of money , we (take)…………… ………….……………….a trip to South
America.
3) If he drove more carefully ,he ( have )…………… ………….……………………….fewer
accidents.

4) If he prepared his homework every night ,he(get)… ………….…………………………better
grades.
5) If she (work)……………… ………….………. harder ,she would probably get better salary.
6) If I (know)………………………… ………….…..how to drive, I would buy a car.
7) If we (not have )……………… ………….…………..to work today, we would go to the beach
with them.
*Exercise 5 :use the correct form of the verbs in parentheses :
1) He (pass)……………… ………….………………………..his examination if he had studied
more.
2) We (go )……………………… ………….…………..to the party last night if they had invited
us.
3) I (write )………………… ………….…………………to you if I had had your address.
4) I (go)………………… ………….…………….the beach if yesterday had been a holiday.
5) I wouldn’t have got wet if I (wear)…………… ………….……………….a raincoat.
6) If he ( study)………………… ………….………………..more, he would have gotten better
grades.
7) If I ( have )…………………… ………….………….time yesterday , I would have gone
shopping with you.
*Exercise 6 : Finish each of the following sentences in the suitable ways:
1) If I were you,
………………………………………………………………………………………………….………….
…………..
2)If John had studied harder ,
……………………………………………………………………………………….………….
3)If it doesn’t rain next Sunday,
…………………………………………………………………………………………………..
4) I will find a good job
if……………………………………………………………………………………….………….
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………….
5)I would not have gone
if……………………………………………………………………………………….
6)I would tell him the truth
if……………………………………………………………………………………….
* Exercise 6 : *Make conditional sentences from these faïcts :
1. I will lend you my car,but you must promise to drive it carefully.
………………………………………………………………………………………………………
…………………………………………..
2)Mai wants to speak English well,but she has no real opportunity to practise.
……………………………………………………………………………………….
3)We didn’t have much money,so we couldn’t go abroad.
……………………………………………………………………………………….
4)You got bad marks in English because you didn’t practise it well yesterday.
……………………………………………………………………………………….
5)She can’t take a taxi .That ‘s the reason why she is late.
……………………………………………………………………………………….
1. He came to class late.That ‘s the reason why his teacher was so angry.
……………………………………………………………………………………….
* Exercise 7 : SENTENCE TRANSFORMATION
*Finish each of the following sentences keeping the same meaning to the original sentences :
1)I ‘ll let you borrow my car but you must promise to use it carefully.
If……………………………………………………………………………………………………………
………………………………….
2) There will be a shortage of water unless it rains.
If……………………………………………………………………………………………………………
………………………………….
3)I don’t know the answer, so I can’t tell you.
………………………………………………………………………………………………………………

……………………………….
4)Do those exercises more carefully or you will fail the exams.
You……………………………………………………………….if………………………………………
…………………………………
5)I was very busy, I couldn’t go to the meeting.
If
I……………………………………………………………………………………………………
………………………………………….
6/. If I were free now, I would help you
I am …………………………………….
7/. We do not go because it rains.
If …………………………………………...
8/. Tom never does anything if you do not tell him what to do.
Unless…………………………………………...
9/. We will go there unless it rains .
If it ……………………………………….
10/. You drink too much coffee , that is why you can not sleep
If you………………………………….………………………………….
11/. He is too old, so he can not go bushwalking
If………………………………….………………………………….
13/. Jane is too short, she can not apply for the job.
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If Jane were………………………………………………………………..
14/I can’t come because I have to look after my children.
If ___________________________________________
15/ Do those exercises more carefully or you will fail the exams .
You _________________________ unless __________________________ .
16/ I don’n know the answer , so I can’t tell you .

If ___________________________________________________________ .
17/ I won’t help you if you don’t promise to work harder .
Unless ______________________________________________________ .
18/ You must hurry or we’ll miss the train .
Unless we ____________________________________________________ .
19/. Larry didn’t buy the shirt because she didn’t have enough money
If
Larry………………………………………………………………………………………………………
……………………………………………….
20/. If you work harder, you make more products
The
harder
you
work
,
the
…………………………………………………………………………………………………
21/. The weather was very bad , so we didn’t go on a picnic
If
………………………………………………………………………………………………………………
………………………………………
22/ He works hard and he will pass his exams.
If
………………………………………………………………………………………………………………
…………………………………………..
23/We can avoid waiting by booking the tickets in advance.
If
………………………………………………………………………………………………………………
……………………………………………..
24/We must go or we ‘ll be late.

If
………………………………………………………………………………………………………………
………………………………………………….
25/They wanted to buy the house ,but they hadn’t got enough money.
If they
………………………………………………………………………………………………………………
………………………………………….
26/ I regret not going to the airport to say good-bye to him.
If
………………………………………………………………………………………………………………
……………………………………………………….
* Exercise 8 : MULTIPLE CHOICE TEST:
CONDITIONAL SENTENCES 1
1/ The deathrate would decrease if hygienic conditions ______ improved.
a. was
b. is
c. were
d. had been
2/ The education in Japan ________ if the basic principles of education had not been taken into
consideration .
a. would go down
b. would have gone down
c. went down d. had gone down
3/ If there ________________________, the ricefields could have been more productive .
a. had been enough water
b. were enough water
c. would be enough water
d. are enough water
4/ The patient could not recover unless he _______ an operation .
a. had undergone

b. would undergone c. underwent
d. was undergoing
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5/ If she ________ him , she would be very happy .
a. would meet
b. will meet
c. is meeting
d. met
6/ If he ___ a thorough knowledge of English , he could have applied for this post .
a. had had
b. had
c. has
d. has had
7/ If I had enough money , I _____________ abroad to improve my English .
a. will go
b. would go
c. should go
d. should have go to
8/ The bench would collapse if they ______ on it .
a. stood
b. stand
c. standing
d. stands
9/ If it __________ convenient , let’s go out for a drink tonight .
a. be
b. is
c. was
d. were

10/ If you ___________ time , please write to me .
a. have
b. had
c. have had d. has
11/ I shouldn’t go there at night if I ________ you .
a. am
b. was
c. be
d. were
12/ If I _________ get a pole , I’ll go fishing .
a. can
b. could
c. may
d. might
13/ If they had enough time , they ______ lead south .
a. will
b. can
c. must
d. might
14/ If you had the chance , ________ you go fishing ?
a. did
b. may
c. would
d. do
15/ If you ________ a choice , which country would you visit ?
a. have
b. had
c. have had d. will have
16/ She will accept the offer if you persuade her .
a. unless

b. because
c. provided that
d. otherwise
17/ If he were here , he would accompany you on the piano .
a. Supposing he were here b. Because he were here
c. Were he here d. Both a and b
18/ If she had gone abroad , she would have let you know .
a. Had gone she abroad
b. Had she gone abroad
c. Because she had gone abroad
d. While she had gone abroad
19/ Trees won’t grow ________ there is enough water .
a. if
b. when
c. unless
d. as
20/ _______ she agreed , you would have done it .
a. If
b. Had
c. should
d. Would
CONDITIONAL SENTENCES 2
1/ If only I __________ you wanted to invest money in business .
a. had known
b. knew
c. have known d. know
2/ If I were to leave my country , I ________ disappointed .
a. probably be
b. would have been c. will be
d. would be

3/ 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
4/ If I had taken that English course , I ________ much progress .
a. had made
b. would have made c. made
d. would make
5/ If I were in your place , I ________ a trip to England .
a. will make
b. had made
c. would make d. made
6/ If you inherited a million pounds , what ______ with the money ?
a. do you do
b. will you do c. would you do
d. are you going to do
7/ If you ______ as I told you , you ________ in such predicament now .
a. did / would not be
b. had done / had not been
c. do / would not be
d. had done/ would not be
8/ Come and work for my company if you ______ better to do .
a. have nothing
b. will have nothing c. had something
d. had nothing
9/ If you had done as I told you , I think you ________ .
a. would succeed
b. would have succeeded
c. could succeed d. had succeeded
10/ If he had got half a mark more , he ________ in the exam .

a. wouldn’t fail
b. wouldn’t have failed
c. won’t fail d. won’t be failing
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11/ If it ______ tomorrow , we may postpone going .
a. rains
b. will rain
c. shall rain
d. raining
12/ If you hadn’t watched that late movie last night , you _____ sleepy now .
a. wouldn’t have been
b. wouldn’t be
c. might have not been
d. wouldn’t have been being
13/ If you _______ as I told you , you ______ sorry now .
a. did / would not be
b. had done / had not been
c. do / would not be
d. had done / would not be
14/ If only I __________ him now !
a. see
b. saw
c. have seen
d. seen
15/ If I _________ I’ll let you know .
a. am staying b. will stay
c. do stay
d. would stay

16/ If only he ________ me a chance , I could have told him the truth .
a. gave
b. has given c. could give d. had given
17/ Get me a glass of lemonade , if you ________ to the kitchen .
a. go
b. will go
c. going
d. went
18/ If I _______ you . I’d save some of your lottery winning .
a. be
b. am
c. were
d. was
19/ If the chair _______ break , Mr Dow can fix it for us .
a. might
b. should
c. may
d. can
20/ If the car ________ larger , we would have bought it .
a. had been b. has been
c. have been d. been
CONDITIONAL SENTENCES 3
1/ “ Are you thinking about going to the Bahamas for the holidays ?”
– “ No, but if I _____ the time , I would definitely go .”
a. have
b. had
c. have had d. would have
2/ “ It’s really raining .” “ Yes. If the weather ____ , we’ ll have to camp somewhere else .”
a. would get worse b. might get worse
c. get worse d. should get worse

3/ “ Why did you only send twenty dollars in the mail ?”
– “ If I had more money , I ______ given you more .”
a. will have
b. would have
c. would
d. have
4/ “ My boss made me work overtime again .” – “ If I were you , I _____ my job .”
a. would quit
b. will quit
c. must quit d. quit
5/ “ Thanks for your help .” – “ ___ want more information , call again tomorrow .”
a. Were you
b. Had you to c. Might you d. Should you
6/ “ Remember the day I drove you to the airport ? ”
- “ If you hadn’t ____ me . I would have been late .”
a. take
b. taking
c. took
d. taken
7/ “ Sally finally got here from Chicago .”
– “ If she had come earlier , we _____ taken her to the play .”
a. would be b. would have c. had have d. would had
8/ “ I don’t know whether to take that mathematics course or not .”
– “ If ___ you , I’d take it . ”
a. I am
b. I will be
c. I had been you
d. I were
9/ “ My car broke down when I was leaving Detroit and I had to take the bus .” - “ ______ , we
would have picked you up .”

a. Had we known
b. If we have known c. We had known
d. If we did know
10/ “ It’s beginning to rain . ” “ ______ , we won’t be able to finish the ball game .”
a. If it stops b. Should it stop
c. Unless it stops
d. If it didn’t stop
11/ “ Did you need help with your math last night ? ” “ If I had , I _____ you .”
a. would call
b. called
c. would have called d. will call
12/ “ I’d really like some lunch but I have so much work to do .”
– “ ____ what you want and I can get it for you .”
a. Tell me
b. If you would say me c. You will tell to me d. If you tell me
13/ “John went to the hospital alone .” – “ If ____ , I would have gone with him.”
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a. had he told me
b. he had told me
c. he has told me
d. he would tell me
14/ “ Alice is moving to her new apartment next Saturday .”
– “ I’ll be glad to help her , ______ need some help .”
a. should she
b. if she will
c. if she
d. if she might
15/ “ Did you go sailing last weekend ? ” – “ No. We would have gone , ______ nicer .”

a. had the weather been
b. if the weather has been
c. would the weather be
d. if the weather might be
16/ This sailboat ______ go faster if there were more wind .
a. wouldn’t
b. shall
c. will
d. would
17/ I won’t lend you this money ________ you promise to pay it back .
a. if
b. unless
c. or
d. or else
18/ If Al had come sooner , he could ______ eaten dinner with us .
a. has
b. had
c. have
d. ‘ ve
19/ _______ me and I’ll expalin the homework to you .
a. Call
b. If you call c. Calling
d. To call
20/ If a drop of oil is placed in a glass of water , it ______ float to the top .
a. would
b. will
c. shall
d. should

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