Hướng dẫn chuyển đổi câu tiếng Anh lớp 9

His flight was delayed so he couldn’t be here on time.. He would have been here in time if his flight hadn’t been delayed.. He would be here in time if his flight hadn’t been delayed.. W

BÀI TẬP CHUYỂN ĐỔI CÂU

* Câu điều kiện:

Loại 1: điều kiện có thể xảy ra ở hiện tại hoặc tương lai

S + V1 / V s(es) (don’t / doesn’t + V1)

S + will / can/ may + V1

(won’t / can’t + V1)

Loại 2: điều kiện không có thật ở hiện tại

S + V-ed / V2 (didn’t + V1)

To be: were / weren’t

S + would / could / should + V1

(wouldn’t / couldn’t + V1)

Loại 3: điều kiện không có thật trong quá khứ

S + had + P.P (hadn’t + P.P)

S + would / could / should + have + P.P

(wouldn’t / couldn’t + have + P.P)

Chú ý khi viết lại câu:

1/ Viết câu tình huống thành câu điều kiện:

Thì tương lai Loại 1 Thì hiện tại Loại 2 Thì quá khứ Loại 3

Ex:

You ask the teacher this question He will answer you.

 If you ask the teacher this question, he will answer you.

He doesn’t have enough money, so he can’t buy a new computer.

 If he had enough money, he could buy a new computer.

We didn’t go out because it rained.

 If it hadn’t rained, we could have gone out

2/ Đổi từ if sang unless:

Khẳng

định

Khẳng định (động từ trong mệnh đề chính đổi sang phủ định)

Ex: If we had more rain, our crops would grow faster

Unless we had more rain, our crops wouldn’t grow faster.

If she doesn’t work harder, she will fail the exam

Unless she works harder, she will fail the exam.

3/ Dạng câu: Mệnh lệnh + or + clause

 If you don’t + V1, Clause

 If you aren’t + adj …, Clause

Ex: Be careful or you will cut yourself

 If you aren’t careful, you will cut yourself

Go away or I will call the police

 If I you don’t go away, I will phone the police.

EXERCISE

Rewrite the following sentences.

1 Carol didn’t answer the phone because she was studying

 If Carol ………

2 Rita is exhausted today because she didn’t get any sleep last night.

 If Rita ………

3 She’s very thin; perhaps that’s why she feels cold so much.

 If she ……….

4 He never polishes his shoes, so he never looks smart

 If he ………

5 He can’t park near his office; that’s why he doesn’t come by car

 If he ………

6 My house is guarded by two big dogs That’s the only reason it isn’t broken into every night

 If my house ………

7 The flats are not clearly numbered, so it is very difficult to find anyone.

 If the flats … ………

8 I don’t know her e-mail address, so I can’t tell you

 If I ……….

9 She works in the evening She has no time to play with her children

 If she ……….

10 I don’t want them to be upset, so I’ve decided not to tell them what

happened.

 They ………

11 I am not tall enough to join the basketball team

 If I ………

12 He doesn’t see the signal so he doesn’t stop his car

 If he ……….

13 Peter gets bad marks because he doesn’t prepare his lessons well

 If Peter ………

14 Mary doesn’t have enough money She can’t buy a new car.

 If Mary ………

15 Go right now or you’ll be late for the train.

 If you……….

16 He doesn’t apply for the job because he doesn’t have enough qualifications.

 If he ……….

17 Hurry up, or we will be late for the exam.

 If we ………

18 They do not understand you because you do not often talk to them.

 If you ………

19 Because you speak English unnaturally, they do not understand you.

 If you ………

20 Keep silent or you will wake the baby up.

If

-21 She didn’t come to the party because she was busy.

If

-22 She will help you You tell her.

If

-23 Because he didn’t study hard, he failed the exam.

If

-24 I was stuck in the traffic jam; that’s why I came late.

If

-25 I don’t have his phone number, so I can’t phone him.

If

-26 “I couldn’t have made it without your help” means

A I couldn’t have made it if you helped me.

B I couldn’t have made it if you had helped me.

C I couldn’t have made it if you hadn’t helped me.

D I couldn’t have made it if you didn’t help me.

27 She didn’t stop her car because shi didn’t see the signal.

A If she saw the signal, she would stop her car.

B If she had seen the signal, she would stop her car.

C If she had seen the signal, she would have stopped her car.

D If she saw the signal, she would have stopped her car.

28 His flight was delayed so he couldn’t be here on time.

A He would be here in time if his flight were not delayed.

B He would have been here in time if his flight hadn’t been delayed.

C He would be here in time if his flight hadn’t been delayed.

D He would have been here in time if his flight weren’t delayed.

29 Without your help, I couldn’t overcome the problem.

A If you don’t help me, I can’t overcome the problem.

B If you didn’t help me, I couldn’t overcome the problem.

C If you hadn’t helped me, I couldn’t overcome the problem.

D If you hadn’t helped me, I couldn’t have overcome the problem.

30 Thanks to Laura’s report, I was able to finish the project.

A If there isn’t Laura’s report, I wouldn’t finish the project.

B Had it not been for Laura’s report, I wouldn’t have been to finish the project.

C If Laura didn’t help me, I wouldn’t finish the project.

D I wouldn’t have finished the project if Laura didn’t help me.

BÀI TẬP CHUYỂN ĐỔI CÂU

* Đổi thì quá khứ đơn sang hiện tại hoàn thành

1 S + last + V quá khứ đơn + thời gian + ago / in + mốc thời gian

 S + V hiện tại hoàn thành (phủ định) + for + thời gian / since + mốc

thời gian

 It’s + thời gian + since + S + last + V quá khứ đơn.

 The last time + S + V quá khứ đơn + was + thời gian + ago.

2 This is the first time + S + HTHT khẳng định

 S + HTHT never + before

3 S + began / started + V-ing +

 S + have / has + V3/-ed + for / since

-Exercise:

1 We last went to London two years ago.

 We

- It’s

- The last time

-2 This is the first time I have visited Hanoi.

 I

-3 I began learning English five years ago.

 I have

-4 I last saw her in 2010.

-5 I haven’t eaten this kind of food before.

-6 I started working for this company a year ago.

-7 I last read that book on November 20th

-8 I have never eaten with knives and folks before.

-

-9 It is 10 years since I last visited Dalat.

-

-10 She hasn’t phoned home for two weeks.

-

-11 Mr Brown bought this car five years ago.

A Mr Brown started to buy this car five years ago.

B It has been five years when Mr Brown bought this car

C Mr Brown has had this car for five years

D It is five years ago since Mr Brown bought this car.

12 I haven’t enjoyed myself so much for years.

A It’s years since I enjoyed myself so much.

B It’s years since I have enjoyed myself so much.

C It was years since I had enjoyed myself so much.

D It has been years since I have enjoyed myself so much.

13 We started working here three years ago.

A We worked here for three years.

B We have no longer worked here for three years.

C We have worked here for three years.

D We will work here in three years.

14 It’s a long time since we last went to the cinema.

A We have been to the cinema for a long time.

B We haven’t been to the cinema for a long time.

C We don’t go to the cinema as we used to.

D We wish we went to the cinema now.

15 I haven’t finished this book yet.

A I’m still reading this book.

B I have read this book before.

C The book I’m reading hasn’t finished.

D I will read this book some day.

16 He last had his eyes tested ten months ago.

A He hasn’t had his eyes tested for ten months

B He had not tested his eyes for ten months then.

C He had tested his eyes ten months before.

D He didn’t have any test on his eyes in ten months.

* Câu bị động:

CÁCH CHUYỂN ĐỔI HÌNH THỨC ĐỘNG TỪ CỦA MỘT SỐ THÌ

Simple present V1 / Vs(es) Am / is / are + V3/-ed

Present

continuous Am / is / are + V-ing Am / is / are + being + V3/-ed Present perfect Has / have + P.P Has / have + been + V3/-ed Simple past V2 / V-ed Was / were + V3/-ed

Past continuous Was / were + V-ing Was / were + being + V3/-ed Past perfect Had + P.P Had + been + V3/-ed

Simple future Will / shall + V1 Will / shall + be + V3/-ed Future perfect Will/ shall + have + P.P Will / shall + have + been +

V3/-ed

Modal verbs Can/ could/ shall / might

+ V1

Can/ could/ shall / might + be +V3/-ed

Note:

- Trạng từ chỉ nơi chốn đứng trước by + O; trạng từ chỉ thời gian đứng sau by + O

- Nếu chủ từ trong câu chủ động là từ phủ định thì đổi sang câu bị động phủ định.

- Các chủ từ someone, anyone, people, he, she, they … trong câu chủ động thì có thể bỏ “by + O” trong câu bị động

Exercise: Change the following sentences into passive voice

1 Sam killed a lion last week.

2 You must hand in your report before the end of this month.

3 I had just finished the job when the factory closed.

4 No one has opened that box for the past hundred years.

5 Are you going to mail these letters soon?

6 He should have finished the report yesterday.

7 Nobody has answered my question properly.

_

8 They are going to build a new school in this area.

_

9 We have bought a lot of vegetables

10 He has to clean the house before having lunch.

TRƯỜNG THCS ………

Họ tên:

Lớp:

ĐỀ KIỂM TRA 1 TIẾT NĂM HỌC 2012-2013

Môn: Tiếng Anh 9 (Units 1-2) Thời gian: 45 phút

Mã đề thi 132

ĐỀ CHÍNH THỨC

Chọn từ (ứng với A,B,C, hoặc D) có phần gạch dưới được phát âm khác với những từ còn lại

Chọn từ (ứng với A,B,C, hoặc D) có phần trọng âm khác với những từ còn lại

Chọn phương án đúng (ứng với A,B,C, hoặc D) trong mỗi câu sau.

Câu 9: We hope to increase……….this year to $50 million.

Câu 10: It’s a ……… Italican restaurant.

Câu 11: The city has a(n)………of around 19,000,000.

Câu 12: ……… English………all over the world?

Câu 13: Anita is interested……….playing the piano.

Câu 14: What is the ……… of your dress? Is it made of silk?

Câu 15: Her family……….to the USA thirty years ago.

Câu 16: He came……….

A last night home late B late home last night

C last night late home D home late last night

Câu 17: When ……….Maryam?

Câu 18: Are they used……….TV?

Câu 19: How long ago……….his job?

Câu 20: Must this test………on time?

Câu 21: He ………work at night.

Câu 22: Rick left the class early because he………a headache.

Câu 23: The teacher let me……… home early because I felt ill.

Câu 24: How long have they done their work?

A How long has their work been done? B How long have their work done?

C How long has their work be done? D How long have their work been done?

Câu 25: My father ………for the company for thirty years now.

Câu 26: Is Kuala Lumpur very different ………Hanoi?

Câu 27: A: Thank you for your help B:……….

Câu 28: Let’s go swimming It’s so hot.

-Xác định từ hoặc cụm từ có gạch dưới cần phải sửa để câu trở thành chính xác.

Câu 29: The grass hasn’t cut since we moved here.

(A) (B) (C) (D)

Câu 30: It seems very difficult for Lan having a trip abroad.

(A) (B) (C) (D)

Câu 31: When I was young, I am used to go fishing

(A) (B) (C) (D)

Câu 32: We see Rose in town a few days ago.

(A) (B) (C) (D)

Đọc kỹ đoạn văn sau và chọn phương án đúng (ứng với A,B,C, hoặc D) cho mỗi chỗ trống.

I think it is necessary for students to wear uniforms when they are at school

Firstly, uniforms encourage students to be proud (33)……… being students of the school they are going to because they are wearing the uniforms with (34)……… bearing their school’s name

Secondly, wearing uniforms helps students (35)……… equal in many ways Everyone starts (36)

……… the same place, whether they are rich (37)……… poor They are really friends (38)

……… one another under one school roof

Finally, wearing uniforms (39)……… practical You don’t have to think of what to wear every day

Therefore, all students, from primary to high(40)……… should wear uniforms

- HẾT

I./PHONETIC (1 m)

B Choose the word whose main stress pattern is placed differently from the others

1 A pesticide B pollution C electric D consumer

2 A exhaust B product C percent D reduce

A Choose the word that has the underlined part pronounced differently from the others

1 A conserve B provide C innovation D solid

2 A category B garbage C crack D standard

II/ VOCABULARY AND GRAMMAR(3ms)

1 C 21

C

2 C 22

A

3 B 23

C

4 C 24

A

5 A 25

A

6 D 26

C

7 D 27

B

8 B 28

C

9 A 29

B

10

B 30 C

11

B 31 C

12 D 32

A

13 B 33 A 14

D 34 B

15 D 35

B

16

D 36 A

17

D 37 D

18

A 38 C

19

D 39 A

20 D 40

C

Complete these sentences by choosing the correct words or phrases

1 It’s raining , ………….we can’t go to the beach

a so b however c but d because

2 ……….we save energy, we can save money and conserve our natural resources

a However b If c Because d Since

3 For most North American households, lighting accounts……… 10 percent to 15 percent of the electricity bill a on b in c for d with 4 I suggest……… plastic bags and bottles a to collect b collecting c collection d collect 5 Unless you understand , I ……… explain it again to you a am b was c would d will 6 If he ………… a student , he will get a discount a will be b.were c was d is 7 Can you turn ……… the fan ? It is too cold a.in b for c off d on 8 Minh’s younger sister is not only beautiful ………….also polite a and b or c.both d but

9 Why don’t we take a shower instead………… a bath ………energy ? a of/save b in/to save c with/saving d of/to save 10 I think you should keep your refrigerator door ……….to save electricity a closed b closing c to close d be closed 11 You watched that information on TV,………?

a don’t you b didn’t you c did you d was you 12 She is hungry ……….she hasn’t eaten all day a because b so c but d therefore III./READING (3.5m) A Fill in the blanks with the words provided ( 1.5m) Power – pollution – electricity – effective – energy - nuclear Are you looking for a cheap , clean , (1) ……… source of power that doesn’t cause (2) ………

or waste natural resources ? Look no further than solar (3) ……… from the Sun At present , most of our (4) ……… comes from the use of coal and gas , oil or (5) ………… power This power could be provided by the Sun One percent of the solar energy that reaches the Earth is enough to provide (6) …………for the total population B Read the passage carefully and choose True or False. Our oceans are becoming extremely polluted Most of this pollution comes from the land, which means it comes from people Firstly, there is raw sewage, which is pumped directly into the sea Many countries, both developed and developing, are guilty of doing this Secondly, ships drop about 6 million tons of garbage into the sea each year * True (T) or False(F): 1 Our oceans are becoming very polluted ……

2.Many counties pumped raw sewage directly into the sea ……

3 Waste material from ships don’t cause the pollution ……

IV/ WRITING(2.5m) A Rewrite these sentences with the cues (1.5m) 1 You should take showers to save water

If………

2 She missed the train because she got up late

As………