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发布时间:2014-02-25 12:03:08  

小菜学习英语 Practice makes perfect



(1)引导时间状语从句的after, before, when, while, as, until, till, since ,as soon as等。

(2)引导条件状语从句的if, unless等。

(3)引导原因状语从句的because, as, since等。

(4)引导目的状语从句的so that, in order that等

(5)引导让步状语从句的though, although, even if= even though(即使)。however, whatever, whoever, whenever, wherever=no matter +疑问词

(6)引导结果状语从句的so…that, such…that等。

(7)引导比较状语从句的than, as…as等。

(8)引导名词从句的that, if , whether等。

二.常见连词and, but, so, or

and 、but、 so与or(我们可以用连词来连接两个意思联系紧密的句子,也可以连接两个相同的成分。)



Eg:I‘ve got a red and blue shirt.我有一件红蓝相间的衬衫。(连接两个形容词)

Please do your homework slowly and carefully. 请慢慢,仔细地做你的家庭作业。(连接两个副词)

Bob and Janet danced.鲍勃和珍妮特跳了舞。(连接两个名词)

I met John and we talked for a while.我遇到了约翰,还聊了一会儿。(连接两个句子)


Eg:He is sitting there and (he is) watching TV.他正坐在那里看电视。

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小菜学习英语 Practice makes perfect I need to go to the post office and (to) the library.我要去邮局和图书馆。


Eg:I bought a hat and a scarf.我买了一顶帽子和一条围巾。


Eg:I bought a hat, a scarf and a coat.我买了一顶帽子,一条围巾和一件外套。


Eg:He brought chicken wings, hot dogs to the barbecue.(错误)

He brought chicken wings and hot dogs to the barbecue.(正确)

2、or 或者,否则,表示选择。

如: Get up early, or you‘ll be late。

Which do you prefer, this one or that one?

(当or 表示―和‖时,用于否定句或疑问句中;而and 用于肯定句中 )


(1)but 意为但是,可是。用于连接前后内容不同或相反的句子,表示转折的含义。 Eg:Joan can sing but she can‘t dance.琼会唱歌,但不会跳舞。(肯定+but+否定) Our flat is new but very small.我们的公寓很新,但很小。(好+but+坏)


Eg:Sally likes swimming but Doris doesn‘t( like swimming).萨利喜欢游泳,但多利不喜欢。


Eg:Martin isn‘t happy but I am.马丁不开心,但我很开心。


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小菜学习英语 Practice makes perfect Because意为因为,由于,表达原因。在一个句子不能同时出现because和so。 Eg:He was hungry, so he ate a lot.他饿了,所以吃了很多东西。


Ⅰ用连词and, but,和so填空。

My brother is ill, ______ I have to stay at home.

He has a lot of money, ________ he spends little.

Take some medicine, _________ you will feel better.

I came to see him, __________ he wasn‘t at home.

Work hard, _________ you will pass the English exam.

Ⅱ 单项填空

1. They are good at swimming, _______ I am not.

A. and B. but C. so D. or

2. The old woman can‘t read ________ write.

A. and B. or C. but D. and can

3. _________ John felt tired, ________ he still went on working.

A. Because; so B. Although; but C. /; so D. /; but

4. He is rich, ________ he isn‘t happy.

A. but B. and C. or D. so

5. Lucy has seen the film, ________ Lily hasn‘t.

A. and B. or C. but D. so

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小菜学习英语 Practice makes perfect

6. – Would you like to go to the cinema with me?

- I?d like to, _____ I ?m afraid I have no time.

A. so B. or C. and D. but

7. Jenny, put on your coat _________ you will catch a cold.

A. but B. and C. or D. so

8. Last night I went to bed late, ________ I am really tired now.

A. so B. or C. but D. because


(1) while, when, as都可引导时间状语从句 三者均可译为―在……时候‖。




He was riding to school when he was hit by a car this morning.

You'd better turn off the water while you brush your teeth.

She sang as she walked. 她一边走一边唱歌。

注: While还可以表示对比,而,却

We were leaving school when it began to rain.

He likes coffee, while she likes tea.

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小菜学习英语 Practice makes perfect

(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 buy any food.

3) for:是并列连词(其余三者为从属连词),它有时可表示因果关系(通常要放在主句之后,且可与 because 换用);有时不表示因果关系,而是对前面分句内容的解释或推断(也要放在主句之后,但不能与because 换用)。比较:

The ground is wet, for (=because) it rained last night. 地面是湿的,因为昨晚下过雨。

It must have rained last night, for the ground is wet this morning. 昨晚一定下过雨,你看今天早上地面是湿的。 (此句不能用 because 代 for)

(3)if, whether―是否‖讲,在引导宾语从句是一般可互换。在ask,wonder,not know, want to know,not be sure等后常用whether或if从句。


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)与or not 连用.He doesn‘t know whether he should leave or not.

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小菜学习英语 Practice makes perfect

5)在介词后。I‘m thinking about whether I will go there.




account for解释;说明, answer for对?负责,apply for申请;请求,apologize for为?而道歉, beg for请求, call for要求,care for在意, enter for报名参加, fight for为?而战, hope for希望,inquire for查询;求见, leave for离开某地到另一地, look for寻找, long for盼望,mistake for误认为, plan for计划做某事, prepare for为?作准备,provide for为?提供, reach for伸手去拿, run for竞选, stand for象征,search for搜寻, send for派人去请, speak for陈述意见、愿望, take for当作, wish for希望, wait for等待。

b)动词+sb.+ for +sth.

ask for要求得到,blame for因?责备, excuse for宽恕, forgive for谅解, pardon for原谅,pay for花钱买, praise for称赞, punish for对?进行惩罚,push for催逼,reward for酬谢, thank for对?表示谢意。

2. be +形容词+for

be anxious for急于做, be eager for渴望, be bad for有害于,be convenient for便于, be good for利于, be famous for以?出名,be fit for适合于, be grateful for对?心存感激, be impatient for对?不耐烦,be late for迟到, be necessary for有必要, be ready for作好准备,be sorry for为?而后悔, be responsible for对?负责,be suitable for适合于, be unfit for不适合, be useful for对?有作用。


for all尽管,for a song非常便宜地,for certain确切地,for company陪着,for ever永远,for example例如,for fear以免,for fair肯定地,for free免费,for fun为了好玩,for good永远,for instance比方,for luck祝福,for life终身,for long长久,for nothing白白地,for once有生第一次,for oneself替自己,for pleasure为了消遣,for reason因为?理由,for sale供出售,for shame真不害臊,for short简称,for sport好玩,for sure确切地。


be in for将遇到,make up for弥补,go in for从事,look out for提防,take sth. for granted把?当作理所当然,have an ear for音感好,have a gift for有某方面的天赋。

(4)so…that, such...that


I‘m so tired that I can‘t walk any farther.=______________________.

so…(adj.)that…can‘t …= too…(adj.)to+(do) ―太…以至(不能)…‖

He is so old that he can‘t work.=He is too old to work.他太老了,不能工作。




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小菜学习英语 Practice makes perfect such+形容词+不可数名词/可数名词复数+that从句。

用so, such, such a/an填空。

1.Hangzhou is( ) beautiful a city that lots of visitors come here every year.

2.She is ( )good girl that we all like her.

3.There are( ) many students on the playground.

(5)either…or…, neither…nor, not only…but also…当它们连接两个并列主语时,谓语动词邻近原则。

例如:a. Either you or he ___ ( be ) wrong.

b. Neither he nor his children____(like) fish.

c. Not only the students but also the teacher _______(want )to buy the book.

(6)表示转折关系。but但是 yet然而 while然而

although, but这两个连词不能用在同一个句子中。

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。


or或者;否则 not...but...不是……而是…… either...or...或者……或者……


1. ________ he studies hard, he will never pass the examination.

A. If B. Unless C. Even if D. Even though

2.Peter likes reading a newspaper ________ he is having breakfast.

A.until B.while C.because D.though

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小菜学习英语 Practice makes perfect

3.Jenny, put on your coat ________ you will catch a cold.

A.but B.and C.or D.so

4.—May I go to the concert with you?

—I'm afraid not ________ you have a ticket, because I have only one.

A.since B.if C.unless D.though

5.The teacher speaks very loudly ________ all the students can hear her.

A.so that B.because C.since D.when

6.Bob is young, ________ he knows a lot.

A.because B so C.but D.unless

7.—What do you think of this skirt?

—It's beautiful and it fits me well, ________ I like it very much.

A.since B.so C.but

8.Jane, please turn off the lights ________ you leave the classroom.

A.after B.before C.until D.but

9.Stop smoking, ________ you will get better soon.

A.and B.or C.but D.after

10._______ it's difficult to make her dream come true,she never gives up.

A.Though B.Unless C.Because D.If

11.You have to leave now ________ you can catch the early bus.

A.so that B.as soon as C.because D.if

12.Usually, we don't know how important something is ________ we lose it.

A.or B.until C.as soon as

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小菜学习英语 Practice makes perfect

13.I need one more student to help me to carry the book. Please ask _______ Lucy _______Lily to come.

A.neither; nor B.not only; but also C.both; and D.either; or

14.I can't believe ________ a little girl can write ________ many books.

A.so; so B.such; such C.so; such D.such; so

15.—I heard that Linda moved to London and found a new job there.

—Yes. She works there ________ she can see her parents more often.

A.until B.as soon as C.so that D.when

16.—I would go with him ________ I were here.

—You mean you would go with him no matter ________ he agrees or not?

A.if; if B.if; whether C.whether; if D.whether; whether

17.Help others whenever you can, ________ you'll make the world a nicer place.

A.and B.or C.unless D.but

18.________ hamburgers are junk food, many children like them.

A.If B.Unless C.Because D.Although

19.________ Switzerland is very small, ________ it is the land of watch and it is very rich.

A.Though; but B.Because; so C.Because; / D.Though; /

20. I don't like bread. I won't eat it _____ I am very hungry.

A.if B.when C.as D.unless

21._______ Tom ________ Mary speaks good Chinese, so they can communicate with these Chinese students very well.

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小菜学习英语 Practice makes perfect

A.Neither; nor B.Not only; but also C.Both; and D.Either; or

22. You'd better look up the new word in a dictionary ________ you don't know it.

A.if B.that C.though D.whether

23.—Listen! It is still noisy in the head teacher's office.

—Go and see ________ they have finished correcting the papers yet.

A.though B.whether C.unless D.while

24. Tom knew nothing about it ________ his sister told him.

A.since B.if C.until D.unless

25. My uncle has been taught in this school ________ he was twenty years old.

A.since B.for C.until D.after

26.—What is our head teacher like, do you know?

—Oh, he is very kind ______ he looks very serious.

A. because B.though C.if D.when

27.—Would you like to go bike riding with us tomorrow?

—Sure, ________ I am busy.

A.since B.unless C.when D.until

28.—What do you like doing after class?

—I like not only reading ________ painting.

A.and B.but also C.or D.for

29. The art club is for members only. You can't go in ________ you are a member.

A.unless B.because C.if D.though

30. ________ you don't go to bed earlier, you will feel tired in the morning.

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小菜学习英语 Practice makes perfect

A.Unless B.If C.Though D.Until

31.Scientists say it may be a few years ________ it is possible to test the new medicine on patients.

A.because B.after C.before D.since

32.Alice wanted to know ____ her grandmother liked the bag.

A. that B. if C. which D. What

33. ____ Saturday ____ Sunday is OK. I‘ll be free in these two days.

A. Either; or B. either; nor C Both; and D One; the other

34.Li Lei said ____ he could finish his homework before six o‘clock.

A. if B. what C. that D. When

35. Go down the street ____ you see the third crossing.

A. though B. since C. until D. while

36. He was ____ tired ____ he couldn‘t go on working.

A. too; to B such; that C so; that D. too; that

37. She was ____ we all like her.

A. such a good singer B. such a good singer that

C. a very good singer that D. so good singer that

38.It is a long time ___._ we met last time in Shanghai.

A. before B. after C. since D. for

39.Can you tell me ____ is she going to give me as a present?

A. where B. when C. who D. what

40.Tom laughed ____ the others did, ____ he didn‘t understand the story.

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小菜学习英语 Practice makes perfect

A. like; though B. as; though C. like; because D. as; as

41. It was ____ we went fishing in the open air yesterday.

A. such a nice weather B. so nice weather that

C. such nice weather that D. a nice weather so that

42. I didn‘t hear ____ he said just now.

A. that B. what C. which D. it

43. They were reading ____ the lights were out.

A. as B. when C. while D. until

44. Could you tell me ____ his father is like?

A. that B. how C. why D. what

45.A: You may stay at home. You may also go out with us.(同义句)

B: You may ______ stay at home ______ go out with us.


1-5 BBCCA 6-10 CBBAA 11-15 ABDDC 16-20 BADDD 21-25 BABCA 26-30 BBBAB 31-35 CBACC 36-40 CBCDB 41-45 CBBD either…or

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