状语从句 (2).doc

状语从句:句子做状语
1.地点状语从句:由where, wherever 引导。
Where I live, there are plenty of trees. Wherever I am, I will be thinking of you.
2.方式状语从句:由as, as if, as though引导。
1)as引导的方式状语从句通常位于主句后"就像" Always do as you said.
2)as if, as though引出的状语从句谓语多用虚拟语气,"仿佛/好像"
He looks as if (as though) he had been hit by lighting.
3. 原因状语从句:由because, since, as和for
1)because语势最强,回答why的问题,不与so连用.原因明显时用as/since(可以放句首)。
I didn't go because I was afraid. Since /As the weather is so bad,we have to delay our journey.
2)for引导的从句前面有逗号,起补充作用。He must be ill, for he is absent today.
4.目的状语从句:由that,so that,in order that等词引导,可以用（so as/in order to+v改简单句）
You must speak louder so that /in order that you can be heard by all.= You must speak louder so as/in order to be heard by all.
5.结果状语从句:由so… that 或 such…that引导,从句否定可以用too…(for sb)to+v…变简单句。从句肯定可以用…enough(for sb) to +v…变简单句。
The boy is so young that he can't go to school.= The boy is too young to go to school.
The clothes are so cheap that he can buy them.= The clothes are cheap enough for him to buy.
6.条件状语从句:主将从般，用if,unless,as/so long as等。unless = if…not.　
Let's go out for a walk unless you are too tired.=If you are not too tired,let's go out for a walk.
7.让步状语从句:用though,although时,不能有but但是可以和yet/still连用
　Although it's raining,they are still working in the field.　
注意:1)as/though引导让步从句必须倒装表语或状语,倒装名词不能带冠词。
Child as he was,he knew the right thing.=Though he was a small child,he knew the right thing.
2)even if,even though."即使" We'll make a trip even though the weather is bad.
3)whether…or not　不管…都 Whether you believe it or not,it is true.
4)no matter+疑问词=疑问词+ever
No matter what happened,he would not mind.=Whatever happened,he would not mind.
8.时间状语从句:主将从般
1)as,when,while引导.When谓语可以终止性或延续性.as,while表示两动作同时进行,as "一边…一边…"while谓语必须延续性.
When I stopped my car,a man came up to me. As he walks,Tom sings　
While I was doing my homework,my mother returned.
2)until /till肯定形式动词必须是延续性的.否定形式动词可以用终止性。not...until直到...才...　 Wait till I call you.　　 Don't get off the bus until it has stopped.
Until可用于句首,till不用于句首. Until you told me, I had heard nothing of what happened.
3)before,after,as soon as As soon as I got home, it began to rain.
9.比较状语从句:由as…as…,not so/as…as…,…than….
He isn`t as/so tall as he. It rains more heavily than yesterday.
状语从句习题
一、选择
1.The boy ___ to bed ___ his mother came in.
A.went not; until B.didn't go; after C.went; until D.didn't go; until
2.He___back until the work___done.
A.isn't; will be B.isn't; is C.won't be; will be D.won't be; is
3.Tom will call me as soon as he ___ Shanghai.A.arrives B.will reach C.arrives in D.get to
4.I'm sure he'll come to see me before he___Beijing.
A.will leave B.is leaving C.leave D.leaves
5.When he got to the station,the train___. A.left B.had left C.leaves D.has left
6.We ___ TV when the telephone ____.
A.watched;was ringing B.were watching;rangC.watch;rings D.are watching;rang
7.It was____that she couldn’t finish it by herself.
A.so difficult a work    B.such a difficult work C.so difficult work     D. such difficult work
8.____difficult the task may be, we will try our best to complete it in time.
　　   A.No matter B.No wonder C.Though D.However
9.He will come to call on you the moment he ____ his painting.
　　   A.will finish B. finished C. has finished D. had finished
10.Betty didn't go to see the film yesterday___ she was ill. A.because B.but C.until D.if
11.May I sit nearer___I can see more clearly? A.as if B.so that C.even if D.so
12 ___ you work hard,you will certainly succeed. A.Though B.If C.Because D.For
13. _he came to study in the university,he has made much progress in English.
A.While B.When C.Since D.After
14.Do you have a big library? -No,we don't.At least, not__yours.
A.as big as B.as big than C. as bigger than D. bigger as
15.Suzhou is not____beautiful____Hangzhou. A.as;than B.so; as C.even; than D./; than
16.I want to know___ she is going to see a film. A.if B.that C.what D.which
17.You are sure to pass the exam ___ you study hard. A.if B.thoughC.that D.since
18.___ you study harder, you'll never pass the final exam. A.If B.Until C.Unless D.Except
19.___there were only five soldiers left at the front,___they went on fighting.
A.Because; so B.If; and C.Though; but D.Though; /
20.___ she is very old,___ she can still work eight hours a day.
A.Because; so B.Though; but C.As; yet D.Though; yet
21.Please answer the question in a loud enough voice___ all the class may hear.
A.so, that B.or C.in order that D.and
22.Lift it up___I may see it. A.though B. so that C. as D. than
23.We should go by bus___we can get there earlier.A.as soon as B.where C.in order that D.a
24.The dictionary is so expensive ___ I can't buy it. A. because B. when C. that D. if
25.It is ___ hot in the room ___ we have to go out for a walk.
A.such; that B. so; that C. as; as D. such; as
26.He has___an interesting book that we want to read it.A.so B.such C.the same D.as
27.We will work____we are needed. A.. whenever B. because C. since D. wherever
28.____you go,don't forget your people. A.Whenever B.However C.Wherever D.Whichever
29.I'll stay here____everyone else comes back. A. even if B. as though C. because D. until
30.We'd better hurry____ it is getting dark. A. and B. but C. as D. unless
31.____ he comes, we won't be able to go. A. Without B. Unless C. Except D. Even
32.____I catch a cold, I have pain in my back.
　　  A.Every time B.Though C.Even D.Where
33.Helen listened carefully____she might discover exactly what she needed.
　　   A. in that B. in order that C. in case D. even though
34.More people will eat out in restaurants____they do today.
　　   A. than B.when C. while D. as
35.___hard she tries, she can hardly avoid making mistakes in her homework.
　　   A.Much B.However C.As D.Although
36.Poor___it may be, there is no place like home,____you may go.
　　 A.as; wherever    B.though; whenever C.in spite of; when      D.that; wherever
37.____ David goes, he is welcome. A. Whichever B. However C. Wherever D. Whatever
38.The house stood ___ there had been a rock. A. which B. at which C. when D. where
39.Small ____ it is, the pen is a most useful tool. A. because B. so C. if D. as
40.If we work with a strong will, we can overcome any difficulty, ___ great it is.
　　   A. what B. how C. however D. whatever
41.After the war, a new school building was put up ___ there had once been a theatre.
　　   A. that B. where C. which D. when
42.____, Mother will wait for him to have dinner together.
A.However late is he     B. However he is late C. However is he late   D. However late he is.
二.填入适当的引导词
1.I haven't heard from him _____ he went to America.
2.He won't be here _____ he is invited.
3.He will not go to the cinema _____ he is very busy.
4.The teacher didn't leave ______ twelve o'clock.
5.____ the day went on,the weather got worse.
6.____ she is young,she knows quite a lot.
7.He speaks English ____ he were an Englishman.
8.He is explaining clearly_____ they could understand.
9.Do not leave the room _____ you have finished the test.
10.She sang _____ she went along.
11.We found the key____ she had left it.
12.____it is mentioned above, the number of the students in senior high schools is increasing.
一、1--5 D D C D B,6--10 B C D CA,11--15 B B C A B,16--20 A A C D D,21--25 C B C C B,26--30 B A C D C, 31--35 B A B A B,36--40 A C D D C,41--45 B D
二、1.since2.unless3.because4.until5.As6.Although7.as if8.so that9.until10.as11.where12.As