Chapter CONDITIONAL SENTENCES

I / Type 1:
1. Form

Chapter - CONDITIONAL SENTENCES

If clause
Present simple

Main clause
Future / present simple

Examples: If I go out, I will buy a newspaper.
If you dont work hard, you wont pass the final exam.
2.use: Dùng để diễn tả một hành động hay kết quả có thể sẩy ra ở
hiện tại hoặc tơng lai.
3. Note : - chúng ta có thể sử dụng can hoặc may thay cho will
Kathy is in hospital. If I have time, I can visit her
- Chúng ta không sử dụng thì tơng lai trong mệnh đề chứa If
Ii / Type 2:
1. Form
If clause
Past simple
Be (were for all persons)

Main clause
Would + V-(bare form)

2.use : Dùng để diễn tả một hành động hay kết quả không có thực ở
hiện tại hoặc tơng lai.
Examples : If I passed the exam, I would have a scholarship
If I were you, I would tell him the truth.

If I didnt have a bike, I wouldnt go to school
3.Note: - Chúng ta có thể sử dụng Could hoặc might thay thế cho
would ở mệnh đề chính
If I won the lottery, I could / might stop working
- Chúng ta không đợc sử dụng would / might / could trong
mệnh đề chứa If
(I)/ Correct the verb form :
1. If you are hungry, I (make) you something to eat.
2. If I see Mark, I (invite) him out for dinner
3. Ill visit Nga if I (go) to Ha Noi.


4. If she (ask) me,I’ll help her.
5. If you (not get) to bed now, you can’t get up early tomorrow morning.
6. I don’t think I will join you if it (keep) raining like this.
7. I (not take) the bus if it is too late.
8. If you go on playing truant, the teacher (not let) you sit the final exam.
9. If I (see) Tom, I will tell him
10. Cats could fly if they (have) wings
11. If Lan (study) harder,She would get better mark
12. you will be late for class if you (not hurry)
13. If today (be) a holiday, I would stay in bed all day.
14. If he (enjoy) concert why doesn’t he come with us?
15. If she (make) him change his mind, she would save him a lot of troubles.
16.If you ( go) away, please write to me.
17. If you ( be) in, I should have given it to you.
18. If he (eat) another cake, he will be sick.
19. I ( not do ) that if I (be) you.
20. If he (take) my advice, everything can go well.
21. I would have come sooner if I ( know) you were here.

22. He never does homework. If he ( do) his homework, he (not worry) about
his examination.
23.It’s too bad we lost the game. If you (play) for us, we( win).
24.What you (do) if she refuses your invitation?
25. If today (be) Sunday, we (go) to the beach.
26. Unless they (pass) their examinations, they would join the army.
27. You (be) ill if you drink that water.
28. If Tom (go) to bed earlier, he would not be so tired.
29. Had we known your address, we( write) you a letter.
30. If it’s raining heavily, we (not go) for a donkey ride.
31. If he (try) hard, he’ll pass the axamination.
32. I could understand the French teacher if she (speak) more slowly.
33.If she (not be) busy, she would have come to the party.
34. If I (finish) the work in time, I ( go) to the football game.
35. If you( see) Mary today, please ( ask) her to call me.
(II)/ Rewrite sentences so that the meaning stay the same.
1. I don’t buy it because I don’t have enough money
If I _________________________________________________________


2. I am busy now, so I can’t help you
If I _________________________________________________________
3. There will be a shortage of water unless it rains
If ___________________________________________________________
4. John is fat because she eat many chips
If she ________________________________________________________
5. I’ll only help you if you promise to try harder
Unless _______________________________________________________
6. If it doesn’t rain soon, the crops will be lost
Unless _______________________________________________________

7. I am very tired so I can’t concentrate properly.
If ___________________________________________________________
8.We don’t have a garden, so we don’t grow our own vegetables.
If ___________________________________________________________
9.He doesn’t give you good advice because he isn’t your true friend.
If ___________________________________________________________
10.We come late because the rain is so heavy.
If ___________________________________________________________
11.You don’t get better marks because you don’t study harder.
If
_____________________________________________________________
12.She is very busy so she can’t go out tonight.
If
_____________________________________________________________
13.I don’t know anything about her background, so I can’t tell you.
If
______________________________________________________________
14. I wasn’t hungry so I didn’t feel like eating.
If
_____________________________________________________________
15. She’s so shy, that why she doesn’t have many friends.
If
______________________________________________________________
16. I remembered Susan’s birthday only because you reminded me about it.
If
______________________________________________________________
__


17. The car in front stopped so suddenly, so I crashed into its back.

If
______________________________________________________________
___
18. They painted the wall brown; that’s why the house looked very dark.
If
______________________________________________________________
__
Conditional Sentence Type I :
1/ My brother will have enough money. He will buy a bicycle.
If
___________________________________________________________
2/ I’ll buy a new hat. I’ll give it to you.
If
___________________________________________________________
3/ You’ll ask the teacher. He’ll explain the lesson to you.
If
___________________________________________________________
Conditional Sentence Type II :
1/ I don’t have enough money. I can’t go on a long holiday this year.
If
___________________________________________________________
2/ I don’t have a typewriter. I can’t type it myself.
→
____________________________________________________________
3.I don't live in a big city, so I can't go to the cinema very often.
If
______________________________________________________________
________
4. Lan doesn’t have a bike, she walk to school.
If

______________________________________________________________
________
Conditional Sentence Type III:
1. He didn’t hurry, so he missed the train.


->
If_____________________________________________________________
2. We canceled our picnic because it rained very hard yesterday.
->
If_____________________________________________________________
Choose the best anawer
1. He’ll go with us __ it rains
2. Life will be destroyed __ all our sources
a. as long as
b. unless
c. if
d. whether
3. __ we can find new sources of energy,our life come to an end
a. unless
b. when
c. if
d. b or c
4. ___ you phone me when you come to England?
A. do
b. have
c. will
d. would
5. Unless we hurry,we’ll __ the bus
a. miss

b. remember
c. catch
d. get in
6. If you stay up late the previous night,you ___ sleepy the next morning
a. feel
b. t feel
c. feels
d. will feel
7. Will you go to see the doctor if you ___ a headache?
A. has
b. will have
c. having d. have
8. Unless you ___ smoking your health won’t get worse
a. cntinue b. continued
c. are countinuing d. will continue
9. He won’t speak English ___ he goes to England
a. when
b. if
c. unless
d. which
10. If you aren’t carefylly,you will ___ it
a. spoiling
b. spoil
c. be spoiled
d. to spoil
11. If Mrs Laura Taylor ____ 5 years younger,she would walk round
a. was
b. is
c. had been
d. were

12. If you ___ hard,you will pass the exam
a. study
b. studied c. will study
d. would study
13. He will not learn much ___ he work harder
a. if
b. unless c. as
d. because
14. If I were him I ___ smoking
a. will stop
b. stopped
c. would stop
d. shall stop
15. If he ___ early,he’d get to work on time
a. got up
b. gets up
c. get up
d. has got up
16. ____you ____your dinner if your mother was will?


a. will …cook
b. will cook
c. would cook
d. would …
cook
17. I’d tell you if I ___ the answer
a. know
b. knows
c. knew

d. will have known
18. If we had more time,we _____ for a picnic
a. will go
b. would go
c. went
d. will have gone
19. What ___you ___ if your father gave you $200?
A. will …buy
b. will buy c. would … buy
d. would buy
20. If you ____ ,you be late
a. not hurry
b. won’t hurry c. doesn’t hurry d. don’t
hurry
21. What ____ if he fell ill?
A. would happen b. will happen
c. shall happen d. happened
22. If John ___ to his home town,he would visit his mother
a. go
b. has gone
c. went
d. had gone
23. If she ___ here now,she could give us some advices
a. a. is
b. was
c. were
d. has been
24. I ___ not loose my way if I ___ you
a. would/was
b. would/were c. will/am

d. will/was
25. ____ I came,she was learning
a. when
b. if
c. because
d. as soon as
26. I ____ not be late for class if I ____ you
a. would/was
b. would /were c. will/am d. will/was
27. If I were you,I would ____ her
a. marry
b. to marry
c. married
d. marrying
28. You

____ the exam unless you study hard
a. will fail
b. would fail
c. will pass d. would pass
29. If it ____ , I shall take an umnrella with me
a. rain
b. rains
c. to rain
d. rained
30. I ____ be able to give you the answer if you asked me tomorrow
a. would
b. will
c. should
d. might

31. If I ____ the teacher,I would give an easier test
a. was
b. were
c. is
d. am
32. If I were you,I ____ visit them without an invitation
a. won’t
b. hadn’t
c. don’t
d. wouldn’t
33. If you want ___ there before dark,you should start at one


a. get
b. to get
c. getting
d. got
34. Ask him ____ in don’t keep him standing at the door
a. come
b. came
c. to come
d. coming
35. I don’t know him but he looks as if he _____ be his brother
a. can
b. could
c. would
d. should
36. If it ____ fine,I shall go out
a. was
b. will be

c. is
d. were
37. If you look hard enough,you ____ it
a. will find
b. will be finding
c. are finding
d. found