常用连词的用法辨析

常用连词的用法辨析
常用连词的用法辨析

常用连词的用法辨析

(1)while, when, as

这三个连词都可引导时间状语从句,但用法有所不同。

1)当某事正在进行的时候,又发生了另一件事。While, when, as 都可用来引导表示“背景”的时

间状语从句。例如:As/When/While I was walking down the street I noticed a police car.

2) 当两个长动作同时进行的时候,最常用的是while。例如:

While mother was cooking lunch, I was doing my homework.

3) 当两个动作都表示发展变化的情况时,最常用的是as。例如:

As children get older, they become more and more interested in things around them.

4) 当两个短动作同时发生时,或表示“一边…一边…”时,最常用as。例如:

Just as he caught the fly, he gave a loud cry. She looked behind from time to time as she went

5) 当从句的动作先于主句的动作时,通常用when。例如:

When he finished his work, he took a short rest.

6)当从句是瞬间动作,主句是延续性动作时,通常用when。例如:

When John arrived I was cooking lunch.

(2)as, because, since , for

这四个词都可表原因,但用法有区别。

1) 如果原因构成句子的最主要部分,一般用because。因此,because引导的从句往往放在句末。

例如:I stayed at home because it rained.

---Why aren’t you going?--Because I don’t want to.

2) 如果原因已被人们所知,或不如句子的其它部分重要,就用as或since。Since比as稍微正

式一点。As和since 引导的从句一般放在句子的开头。例如:

As he wasn’t ready, we left without him.

Since I have no money, I can’t b uy any food.

3) for用来补充说明一种理由,因此,for引导的从句几乎可以放在括号里。For引导的句子不

放在句子的开头。例如:

I decided to stop and have lunch----for I was feeling quite hungry.

(3)if, whether

if和whether都可作“是否”讲,在引导宾与从句是一般可互换。例如:

I wonder whether (if) you still study in that school.

I don’t know whether (if) he likes that film.

在下列情况下,只能用whether,不能用if:

1) 引导主语从句时。例如:Whether he will come to the party is unknown.

2) 引导表语从句时。例如:The question is whether I can pass the exam.

3) 在不定式前。例如:I haven’t made up my mind whether to go there or not.

(4)so…that, such...that

1) so…that中的so是个副词,其后只能跟形容词或副词,而such...that中

such是个形容词,后接名词或名词短语。例如:

I’m so tired that I can’t walk any farther.

It was such a warm day that he went swimming.

2) 如果在名词之前有many, much, little, few时,用so,不用such。例如:

He has so little education that he is unable to get a job.

I have had so many falls that I am black and blue all over.

(5)either…or…, neither…nor, not only…but also…

这三个连词词组都可连接两个并列成分。当它们连接两个并列主语时,

谓语动词要随相邻的主语变化。例如:

Either you or he is wrong. Neither he nor his children like fish.

Not only the teacher but also the students want to buy the book.

(6)although, but

这两个连词不能用在同一个句子中。例如:我们不能说“Although he is

over sixty, but he works as hard as others.”这个句子应改为:Although he is over sixty, he works as hard as others.或He is over sixty, but he works as hard as others.

(7)because, so

这两个连词同样不能用在同一个句子中。例如:我们不能说“Because John

was ill, so I took him to the doctor.” 这个句子应改为Because John was ill, I took him to the doctor.

或John was ill, so I took him to the doctor.

【实例解析】

1.---When will Mr Black come to Beijing? ---___________ September 5.

A. On

B. To

C. At

D. In

答案:A。表示时间的介词的用法。表示某一天用介词on。

2. The boys felt sad as they lost ________ the girls in the talk show.

A. by

B. in

C. to

D. on

答案:C。该题考查的是介词和动词的固定搭配。lose表示输给谁的时候用介词to。

3.---I like riding fast. It’s very exciting.

---Oh! Y ou mustn’t do it like that, ________ it may have an accident.

A. and

B. or

C. so

D. but

答案:B。该题考查的是并列连词的用法。答语的意思是“你不要那样做,否则会发生事故的。”

在这四个并列连词中,只有or含有这样的意思,所以应选B。

4. John fell asleep ________ he was listening to the music.

A. after

B. before

C. while

D. as soon as

答案:C。该题考查的是引导时间状语从句的常用从属连词的用法。本句的含义是“约翰在听音乐的时候睡着了。”表示在干某事时发生了某个事情” 通常用while。因此应选C。

习题

一. 单项填空

1. We traveled overnight to Paris and arrived _______ 5 o’clock ______ the morning.

A. on; in

B. at; in

C. at; on

D. in; on

2. Where’s Lily? We are all here _______ her.

A. beside

B. about

C. except

D. with

3. She sent her friend a postcard _______ a birthday present.

A. on

B. as

C. for

D. of

4. Jack has studied Chinese in this school _______ the year of 2000.

A. since

B. in

C. on

D. by

5. ---What is a writing brush, do you know?---It’s _______ writing and drawing.

A. with

B. to

C. for

D. by

6. English is widely used ______ travellers and business people all over the world.

A. to

B. for

C. as

D. by

7. ______ the help of my teacher, I caught up with the other students.

A. Under

B. In

C. With

D. On

8. Hong Kong is ______ the south of China, and Macao is ______ the west of Hong Kong.

A. in; to

B. to; to

C. to; in

D. in; in

9. ---Y ou’d better not go out now. It’s raining.---It doesn’t matter. My new coat can keep ______ rain.

A. in

B. of

C. with

D. off

10. Japan lies ______ the east of China.

A. to

B. in

C. about

D. at

11. ---Will the foreigners have any problems talking with Chinese in 2008?

---I don’t think so. Now ______ the young ______ the old can speak some English.

A. either…or

B. not only… but also

C. neither…nor

D. both…or

12. We did n’t catch the train _______ we left late.

A. so

B. because

C. but

D. though

13. Tom failed in the exam again _______ he wanted to pass it very much.

A. if

B. so

C. though

D. as

14. I won’t believe that the five-year-old boy can read five thousand words ______ I have tested him

myself.

A. after

B. when

C. if

D. until

15. The book was so interesting that he had read it for three hours ______ he realized it.

A. when

B. until

C. after

D. before

16. ---This dress was last year’s style.---I think it still looks perfect ______ it has gone out this year.

A. so that

B. even though

C. as if

D. ever since

17. Hurry up, _______ you will miss the train.

A. and

B. so

C. however

D. or

18. The mountain was ______ steep _____ few people in our city reached the top.

A. so…as

B. so…that

C. as…as

D. too…to

19. ---Do you remember our pleasant journey to Xi’an?

---Of course. I remember everything ______ it happened yesterday.

A. as soon as

B. even though

C. rather than

D. as if

20. ______ you can’t answer this question, we have to ask someone else for help.

A. Although

B. While

C. Whether

D. Since

二. 用适当的介词填空

1. ---How are you going to the train station to meet your aunt?

---I’m goi ng there _______ my car.

2. Mum, today is Mother’s Day. Mike and I want to invite you to have dinner _____ us at Zhonglou

Restaurant.

3. Hangzhou is famous ______ the West Lake.

4. Today some newly-produced mobile phones can take pictures ______ a camera.

5. Could you tell me if there is a flight to the capital ______ March, 25th?

6. We all agree ______ you. Let’s start at once.

7. There is a big shop ______ the other side of the road.

8. ---Which necklace have you lost?---The one you gave me _____ my birthday.

9. Y ou should take more exercise. It’s good ______ your health.

10. It is clear that fish cannot live _______ water.

三. 用适当的连词填空

1. ______ they are brothers, they don’t look like each other at all.

2. The dress was very expensive, ______ I didn’t buy it.

3. ---Do you know ______ I could pass the exam?---Sorry, I’ve no idea.

4. Mr. Brown knows little Japanese, ____he can’t understand the instructions on the bottle of the pills.

5. The war was over about a year ago, ______ the American soldiers in Iraq are still having a lot of

trouble to deal with.

6. ---Is David at school today? ---No. He is at home _______ he has a bad cold.

7. _____ Lily _____ Lucy may go with you because one of them must stay at home.

8. Study hard, _____ you are sure to have a good result in the exam.

9. Please have a wash _______ you go to bed.

10. The twins have learned a lot ______ they came to China.

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就不用because(从属连词);使用了because,就不用so。例如: He was ill,so he didn't go to school 他病了,所以没去上学。 He didn't go to school because he was ill.他没去上学,因为他病了。 1.表示原因,语气较强,可用来回答why 提出的问题。如: A:Why do you love her? 你为什么爱她? B:Because she is kind. 因为她很善良。 2.汉语说“因为……所以……”,但英语却不能用because…so…这样的结构。because不能和so连用,一山不能容二虎如: 正:Because he is ill,he can't come.因为他生病了,所以来不了。 正:He is ill,so he can't come.他生病了,所以来不了。 误:Because he is ill,so he can't come. 相关练习题 一、用and, but, so,because填空填空。 She is tall ________ thin. He is not my father, ________ my uncle. I didn’t get up at 7:00 this morning, ________ I was late for school. I study hard , ________ I want to pass the exam. I am tired today, ________ I go to bed early. He is not my friend, ________ my enemy. The story is very interesting , ________ we all like it . The door was locked, ________ we couldn’t get in . It is very cold , ________ wear a heavy coat.

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