状语从句经典课件.ppt

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1、状 语 从 句,状语从句考点 1、各种从属连词的含义及用法比较；2、no matter wh-与 wh-ever 引导的从句的区别；3、状语从句的时态问题；4、状语从句的倒装问题；5、状语从句与其它从句的区别。,1、时间状语从句问题1：Dont be afraid of asking for help _ it is needed.（03全国卷）Aunless Bsince Calthough Dwhen,D,复习when 时要注意比较它与while 与 as 的区别。,when,while,as 三者的具体用法关键在于动作发生的时间及从句的动词。while 表时间，从句需用延续性动词，不用瞬

2、间动词；when 表时间，从句既可用延续性动词，又可以用瞬间动词；as 表时间，与when 相似，但侧重强调主、从句动作同点或同段进行，可用延续行动词的一般过去式表式过去进行时。(一边一边;随着)when,while 后还可以接分词短语。,when 作并列连词，表示一个动作在发生时，另一个动作接着发生，这时就不能用while、as。I was walking on the street when suddenly someone patted me on the shoulder.while 作并列连词，表示两种情况对比。He was playing the guitar while his

3、sister was watching TV.,问题2：1)Was his father very strict with him when he was at school?Yes.He had never praised him he became one of the top students in his grade.（03北京春季）AafterBunlessCuntilDWhen2)Simon thought his computer was broken _ his little brother pointed out that he had forgotten to turn i

4、t on.（05北京春季）A.until B.unless C.after D.because,C,A,until/till“直到止”(肯定句，主句是延续性动词);notuntil“直到才”(否定句，主句是终止性动词);until 可用于倒装句和强调句，till不用于句首。Not until I returned did she finish her homework.It was not until I returned home that she finished her homework.,问题3：1、The American Civil War lasted four years _

5、the North won in the end.(05广东卷)A.after B.before C.when D.then2、He made a mistake,but then he corrected the situation _ it got worse.（03北京）A.until B.when C.beforeD.as,B,C,before 从句是高考中的一大热点，从时间概念上不难作出判断。,before 与高考Someone called me up in the middle of the night,but they hung up _I could answer the p

6、hone.A.before B.since C.until D as,A,1.表示”在之前”.这时主句和从句两个动作按时间先后依次发生Where did you study before you joined the army?,2.表示“才”强调从句的动作发生得晚或慢He had walked for a whole day before he found water.,3.表示“还没来得及就”强调在从句动作发生之前,主句动作已发生.He fell asleep before I could take off his clothes.注意：这时before 本身含有否定意义，从句不能再用否定

7、句,The students rushed out of the classroom before the bell rang.,翻译：铃还没响，学生们就冲出了教室,5.表示“不知不觉地就”常用于句型before one knew it.Time passed quickly and three months went by before Aqiao knew it.,4.表示“趁着没”“以免”We want to buy something now before prices go up.,6.用在“It was/will be(not)+一段时间before 从句”中，译作“才”“就”(1

8、)It was not long before he left for the United States.(2)It was three weeks before they arrived at the mountain village.(3)It will be four years before we meet again.,时间状语从句的连词1.once,as soon as(immediately,directly,instantly,the minute/moment/instant)hardly/scarcely when,no soonerthan2.every/each ti

9、me,next time,the first/second/last time by the time 3.When/whenever#When I came in,some students were sleeping.Whenever you are in trouble,Ill help you.,1._ I met him,he was dressed very well.2.We saw an English film _last night.3.This is _ that we have seen the famous star.,The first time,for the f

10、irst time,the first time,Since(conj./prep./adv.)1.I havent heard from him since I left school.2.We have lived here since 2003/ten years ago.3.They have never seen it ever since.It+be+some time+since-clause这个句型表示从since 从句谓语动作发生以后到现在或过去所经过的一段时间，意为“自从.以来已多久了”It is+some time since(did)It has been+some t

11、ime since.(did)It was+some time since(had done)1.It is ten years since I left here.2.It is three years since his father passed away.。,I left school ten years ago.I have left school since ten years ago.3.I have left school for ten years ago.4.It is ten years since I left school.,5.We have lived here

12、for ten years.6.It is ten years since we lived here.We havent lived here for ten years.短暂动词表示动作开始;延续动词表示动作结束,问题4：Did you remember to give Mary the money you owed her?Yes,I gave it to her _ I saw her.（01北京春季）Awhile Bthe moment Csuddenly Donce,B,地点状语从句-where/wherever,例题 Make a mark_ you have a questio

13、n.A.in which B.there C.where D.that,Make a mark in a place where you have a question.,C,TranslatingI found my books where I had left them.You can go wherever you like.Where there is a will,there is a way.Wherever you go,you wont be welcome.Where there is plenty of sun and rain,the fields are green.,

14、Ex.1.You should put your book _ it belongs.A.to which B.to where C.where D.which,2.Young people should go _.A.where mostly needed B.in which most needed C.where most needed D.where they most needed,C,C,III.原因状语从句,-Why was he punished?-_.A.It was since he broke the law B.It was because he broke the l

15、aw.C.It was as he broke the law.D.It was that he broke the law.,because;as;since-(now)that/seeing that Since you dont feel well,you may stay at home as well.As he is honest and diligent,everyone likes him.,for conj.并列连词 The ground is very wet,for it rained last night.The day has broken,for some bird

16、s are singing.,条件状语从句 问题1：1、The WTO cannot live up to its name _ it does not include a country that is home to one fifth of mankind.（2000全国）Aas long as B.While Cif Deven though2、It is known to all that _ you exercise regularly,you wont keep good health.（05重庆卷）A.unless B.whenever C.although D.if,C,A,

17、问题2：1、_ I can see,there is only one possible way to keep away from the danger.（04北京春季）A.As long as B.As far as C.Just as D.Even if 2、I always take something to read when I go to the doctors _ I have to wait.（05全国卷3）Ain case Bso that Cin orderDas if,B,A,as long as 与 as far as 都可引导条件状语从句，as long as 表示

18、“只要”，as far as 表示“就而论（而言）”。题1根据题意应该选用B。in case 表示“以防”，根据题2的句意，不难作出选择。,条件状语从句：if,unless,(if not.)as long as/so long as on condition that 只要as/so far as“就而论（而言）”in case 万一 suppose/supposing provided/providing that 假定假使,Translating 1.As long as you are happy,it doesnt matter what you do.2.In case I for

19、get,please remind me about it.3.Suppose I see him,what shall I tell him?4.Unless Im mistaken,I ve seen that man before.5.If it were to rain,we wouldnt go there.6.If given another chance,he still kept talking.7.If possible,hand in your homework before Monday.,让步状语从句,问题1：1、_ I accept that he is not pe

20、rfect,I do actually like the person.（04江苏）A.While B.Since C.Before D.Unless2、Allow children the space to voice their opinions,_they are different from your own.(05湖南卷）A.until B.even iC.unless D.as though,A,B,问题2：1、He tried his best to solve the problem,_ difficult it was.（05天津卷）A.however B.no matter

21、 C.whatever D although 2、The old tower must be saved,_the cost.（05浙江）Ahowever Bwhatever Cwhichever Dwherever,A,B,no matter wh-与 wh-ever 的联系及区别：no matter wh-只引导让步状语从句，此时与 wh-ever通用。如:No matter when/Whenever he comes back,he should be invited to the party.wh-ever又可引导名词性从句，No matter wh-不能。如：Whoever can

22、 help us will be welcome,although,though,as(倒装）=but=可与yet/still/nevertheless even if/even though no matter who/what/when/how=whoever,whomever,whatever,whenever whether or 让步名词性从句Whether he agrees or not,I have decided to go there.I dont know whether he will come or not.,Either or 引导并列句Either you go

23、there or you ask him to come here.,I have a bit of a cold.Its nothing serious,though.Although it was dark,yet they kept on working.Try as he might,he failed again.,4.No matter who gave him advice,he wouldnt listen.5.Though a young man,he is experienced in teaching.6.Whatever we do is sever the peopl

24、e.7.However hard I try,I can never catch up with him.8.Youngest as he is in his class,he speaks English best.,其它状语从句方式状语 as,as if,as though结果状语-sothat/so that/suchthat目的状语=so that;in order that比较状语=as.as;than;the more,the more 比例状语,He did the exercises as he was told 2.Though she is young,she walks

25、as if she were an old lady.3.Speak louder so that we can hear you clearly.4.This is such an difficult problem that no one can work it out.5.He got up early so that he could catch the first bus.,状语从句=非谓语做状语7.He moved his lips as if to speak.8.The boy is running impatiently here and there as if search

26、ing for something lost.9.The football player is rolling on the ground as if hurt badly in the leg.,6.We are not such fools as to believe him.,The more you read,the better you understand.从句主句You understand better the more you read.主句 从句,1.The harder you work,the greater progress you will make.=2.We l

27、ike the oil painting better the more we looked at it.=3.The more careful you are,the fewer mistakes you will make.=,You will make greater progress the harder you work.,The more we looked at it,the better we like the oil painting.,You will make fewer mistakes the more careful you are.,.状语从句的时态问题 问题1：

28、1、The house could fall down soon if no one_ some quick repair work.（04全国IV）A has done B is doing C does D had done 2、It is almost five years _ we saw each other last time.（05北京春季）A.before B.since C.after D.when,C,B,状语从句的倒装问题问题1：1、So difficult _ it to live in an English-speaking country that I determ

29、ined to learn English.(01 上海)A.I have felt B.have I felt C.I did feel D.did I feel2、Not until all the fish died in the river _ how serious the pollution was.(95 NMET)A.did the villagers realize B.the villagers realized C.the villagers did realize D.didnt the villagers realize,D,A,5、状语从句的倒装问题问题1：1、So

30、 difficult _ it to live in an English-speaking country that I determined to learn English.(01 上海)A.I have felt B.have I felt C.I did feel D.did I feel2、Not until all the fish died in the river _ how serious the pollution was.(95 NMET)A.did the villagers realize B.the villagers realized C.the village

31、rs did realize D.didnt the villagers realize,状语从句的倒装一般有下面几种情况：否定词开头；so 加 adj.开头；as/though引导的让步状语从句。,D,A,特别注意：Hardly when No sooner than Child as he is,Hardly had he got to the station when the train left.No sooner had he got to the station than the train left.Child as he is,he can speak seven foreig

32、n languages.,6、状语从句与并列句的区别问题1：1、Though he is in his sixties,_ he works as hard as a young man A.yet B.but C.and D.and yet2、Excuse me for breaking in,_ I have some news for you.(NMET02)A.so B.and C.but D.yet,题1是主从复合句，所以中间不能使用并列连词 and;or;but;so 等。yet 是副词，只有 yet 可以与 though 连用。题2为并列句，而“Excuse,but”为一固定搭配。在复习中需要细心的分析句子结构和成分。,A,C,Good-bye!,