TÀI LIỆU VỀ CÂU ĐIỀU KIỆN NÀY RẤT HỮU ÍCH CHO HỌC SINH LUYỆN TẬP. CÓ VÍ DỤ MINH HỌA VÀ BÀI TẬP ÁP DỤNG CỤ THỂ RÕ RÀNG. CHUYÊN ĐỀ VỀ CÂU ĐIỀU KIỆN ĐỦ DẠNG, PHÂN LOẠI CHI TIẾT DỄ HỌC DỄ NHỚ, PHỤC PHỤ TỐT CÔNG VIỆC HỌC TẬP CỦA CÁC EM HỌC SINH
Trang 1CONDITIONAL SENTENCE
A PHẦN LÝ THUYẾT
I Conditional sentence type 1
Form
If-clause , Main clause The present
Main clause If-clause
simple
*will = can, may, shall Use:
Điều kiện loại 1 dùng để diễn tả một điều kiện có thể xảy ra ở hiện tại hoặc tương lai
If I have time, I will help you.
I will help you if I have time.
If I meet her, I will give her the letter.
II Conditional sentence type 2
Form
If-clause
,
Main clause The past
Main clause If-clause
S would
V 0
The past simple
*would = could, would, should; to be : were Use
Điều kiện loại 2 dùng để diễn tả một điều kiện không có thật ở hiện tại và khó có thể xảy ra trong tương lai
If I were you, I would come there.
I would come there if I were you.
I don’t know the answer If I knew the answer, I would tell you.
III.Conditional sentence type 3
Form
If-clause , Main clause The past
perfect S Would have PP
Main clause If-clause
S Would have PP The past perfect
* would = could, should, might Use
Điều kiện loại 3 dùng để diễn tả một điều kiện không có thật ở quá khứ
He would have passed the exam if he had studied hard.
If he had studied hard, he would have passed the exam.
I didn’t go to school If I had gone to school, I would have met my classmates.
Trang 2IV Unless = If … not ( Trừ khi= Nếu … không)
Put the verb in the brackets in the correct form:
Example: If I (have) have time, I will write to him.
1 If it’s cold, I (need) a heavier coat
2 What are you going to do if you (have) a holiday?
3 If I can go tomorrow, I (let) you know
4 If flowers don’t get any water, they (die)
5 I will go to the party unless it (rain)
6 If I got up earlier, I (not be) late for work
7 If I didn’t feel so tired, I (go) .out with you
8 If you (not pass) the exam, would you take
it again?
9 If I (be) you, I would apply for the job
10 I could repair the car if I (have) the right tools
11 If I (study) hard, I would have passed the exam
12 If I (not be) busy yesterday, I would have visited you
13 What would happen if you (not go) to work tomorrow
14 If I had gone to your party last night, I (be)
very tired
15 You (not be) angry if you had known the reason
16 We’ll send for the doctor if he
(feel) worse
17 Unless they turn the radio off, I
(go) somewhere else
18 Unless it (be) a nice day, we won’t go out
19 The grass would look better if you
(take care) of it
20 If you leave the gate open, people
(get in)
Exercise 2:
Example: If I were you, I that job.
a would apply for b will ask for c will have changed d can take
1 If I _ a wish, I’d wish for happiness for my family
a have b am having c had d was having
2 If I an astronaut traveling in a cabin, I’d not be annoyed by the weightlessness
3 What happen if you come late for the meeting tomorrow?
a will be b would be c will d would
4 If there were no gravity, water never run downhill
Trang 35 If you _ Henry, ask him to come and see me.
a met b will meet c met d would meet
6 Unless you _ quiet, I’ll scream
a don’t keep b kept c keep d didn’t keep
7 I’ll be able to speak English well if I _ hard
a studied b have studied c had studied d study
8 If I could speak Spanish, I _ next year studying in Mexico
a would spend b had spent c would have spent d will spend
9 If I you, I would refuse his invitation
10 If my father here now, he would help me
11 She can’t get home _ she has no money
a unless b until c if d without
12 If he _ yesterday, he would be here with us tomorrow night
a finished it b had finished it c finishes it d has finished it
13 If an object is let off in the cabin of a spaceship, it
a floated b is floating c will float d would float
14 _we find new sources, we will soon run out of energy
15 Unless we throwing garbage into the river, it will be polluted
a stop b don’t stop c will stop d won’t stop
16 If the questions were not too difficult, we them
a could answer b should answer c can answer d can answer
17 If you were not sick, with us?
a will you come b would you come c do you come d are you coming
18 If they didn’t live so far away, I _ them every week
a visit b visited c will visit d would visit
19 If you us about the bad service, we’d have eaten there
a didn’t tell b wouldn’t have told c hadn’t told d had told
20 If Allie had come sooner, he dinner with us
a could have eaten b would being eaten c was eating d could eat
Exercise 3: Chuyển các câu sau sang phủ định
1 We seldom eat before 7 am.
2 I met him 2 months ago.
3 I get up early the day everyday.
4 The workers are working in the firm at the moment.
5 Rivers usually flow to the sea.
Exercise 4: Chuyển các câu sau sang khẳng định
6 The boy isn’t crying
7 She doesn’t come here
8 Mrs Green doesn’t always go to work by bus.
9 He didn’t help her
Trang 410 Jack didn’t do his homework
Exercise 5: Chuyển các câu sau sang phủ định QKĐ
11 Mary loses her hat
12 She can solve this problem
13 She takes a bath before dinner.
14 He is in school.
15 He does his job
Exercise 6: Chuyển các câu sau sang phủ định QKHT
16 He saw her
17 They were here
18 They lived in Ho Chi Minh City
19 He came here once 2 years ago.
20 It stopped raining
Exercise 7: Rewrite the following sentence
1 I never get very lonely because I have lots of good friends
If
2 We didn’t go on holiday because we didn’t have enough time
If
3 We got lost because we didn’t have enough time
If
4 The match can be cancelled because it rains heavily
If
5 He lost all his money because he wasn’t careful
If
6 Because Simon doesn’t live near his mother, he can’t visit her often
If
7 His parents were very disappointed because he failed his final examination
If
8 If you hadn’t told me about Sue’s hair, I wouldn’t have noticed
Unless
9 If you don’t take morning exercise, you will be weak
Trang 510 If you don’t see that film, you will be sorry
Unless
11 You will get lost if you don’t take a map with you
Unless
12 They will kill him if he doesn’t tell them the truth
Unless
13 If we don’t protect the forest, the environment will be soon destroyed
Unless
14 I will wait her if she calls me
Unless
15 I will choose that blue jacket if isn’t too expensive
Unless
16 It doesn’t rain, we go for a walk
If
17 I will buy a bike if I don’t go on holiday
Unless
18 I will visit them if I have enough time
Unless
19 I don’t have free time, so I can’t go to see him
If
20 She didn’t explain him the situation, so he didn’t understand it
If