高中英语语法课件状语从句(共42张PPT).ppt

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1、状语从句状语从句 What are“Adverbial Clauses”?在主从复合句中修饰主语中的在主从复合句中修饰主语中的动词、动词、形容词、副词等的从句叫做形容词、副词等的从句叫做“状语从句状语从句”。分类如下：。分类如下：状语从句状语从句1.时间时间状语从句状语从句2.地点地点状语从句状语从句3.原因原因状语从句状语从句4.条件条件状语从句状语从句5.让步让步状语从句状语从句6.目的目的状语从句状语从句7.结果结果状语从句状语从句8.方式方式状语从句状语从句9.比较比较状语从句状语从句1)常用连词如下：常用连词如下：as,when,while,till/until,not until,

2、before,since,after等。等。1.时间时间状语从句状语从句e.g.I wont know where he is until I get a letter from him.Till 只只能能用用于于肯肯定定句句中中，until既既可可以以用用于于肯肯定定句句，也也可可以以用用于于否否定定句句。nIts/will be+一段时间一段时间 before+一一般现在时般现在时 表示过了多久表示过了多久才才nIts/will（not)be+一段时间一段时间 before+一般现在时一般现在时 表示没过多久表示没过多久就就nit s been+一段时间一段时间 since+一般过一般过去

3、时去时 nIt will be a long time before we meet again.nIt will not be a long time before the China become a developed country.nIt 20 years since we first each other.sawhas been2)一些表示时间的一些表示时间的名词词组名词词组也可引也可引导时间状语从句。如：导时间状语从句。如：the moment,the minute,（一（一就）就）next time（下次）（下次）,every/each time（每次）。（每次）。ne.g.T

4、he moment he comes,I will tell him.4)as soon as,immediately,directly,instantly 等副词也可引等副词也可引导状语从句。表示导状语从句。表示“一一就就”。As soon as I reach home,I will tell him the news.n n5)a.hardly when b.scarcely when/before c.no sooner than n n都相当于都相当于as soon as，用以引导时间状语从，用以引导时间状语从句。注意：当句。注意：当 hardly,scarcely及及no soon

5、er位位于句首时于句首时,从句中从句中的主谓要倒装。的主谓要倒装。n ne.g.No sooner had she gone than it happened.1.I was so familiar with him that I recognized his voice _ I picked up the phone.A.while B.afterC.In case D.the minute2.How long do you think it will take _ our product becomes popular with the consumers?A.when B.untilC.

6、before D.since3._ the day went on,the weather got worse.A.A.With B.since C.As D.While4.He was halfway through his meal _ a familiar voice came to his ears.A.A.why B.where C.when D.while5.Hardly _ into the village _ it began to rain.A.A.we had got;when B.we got;thanC.had we got;when D.did we get;than

7、2.地点地点状语从句状语从句地点状语从句用连接副词地点状语从句用连接副词 where或或wherever(在任何地方在任何地方)引导。引导。e.g.a.Just stay where you are.b.You can sit wherever you like.1.1.When he reads a book,his habit is to make a mark _ the meaning is unclear to him.A.there B.wherever C.the place D.in which2.If you are travelling _ the customs are

8、totally different from your own,you may feel a cultural shock.A.in the place B.whichC.in which D.where3.原因原因状语从句状语从句原因状语从句表示主句中的某一动作原因状语从句表示主句中的某一动作或状态所发生的原因。引导这种从句或状态所发生的原因。引导这种从句 常用的连接词是：常用的连接词是：because,since,as,for,now that 及及 considering等。等。e.g.He didnt come to school because he was ill.c.f.He m

9、ight be ill,for he didnt come to school.表示表示“直接直接”原因。原因。表示表示“间接的推断间接的推断”原因原因.不可出现在句首。不可出现在句首。1.1.Jenny was very sad over the loss of the photos she had shot at Canada,_ this was a memory she especially treasured.A.as B.if C.when D.where2.Some people believe that _ oil is running out,the fate of the

10、motor industry is uncertain.A./B.though C.for D.since4.条件条件状语从句状语从句 条件状语从句表示主句中的某一条件状语从句表示主句中的某一动作或状态是在什么情况或条件下发动作或状态是在什么情况或条件下发生的。条件状语从句中通常用一般现生的。条件状语从句中通常用一般现在时表示将来。在时表示将来。条件状语从句由从属连词引导：条件状语从句由从属连词引导：if,unless (除非除非),as/so long as(只要只要),on condition(只要只要),in case(假使假使),providing/provided(that),sup

11、posing（that）（假若，倘使），）（假若，倘使），on condition that(条件是）条件是）等。等。e.g.a.Well come over to see you on Saturday if we have time.b.We should serve the people as/so long as we live.1.We will be able to get there on time,_ our car doesnt break down on the road.A.as soon as B.as far asC.as long as D.as well as2.

12、In time of serious accidents,_ we know some basic things about first aid,we can save lives.A.whether B.untilC.if D.unless3._ you have tried it,you cant imagine how pleasant it is.A.Unless B.BecauseC.Although D.When4.The official soon realized that,_,things would get worse.n nunless dealt with proper

13、lyn nif not properly dealing with itn nunless properly dealt withn nif dealt not properly with5.让步让步状语从句状语从句在复合句中表示让步概念的状语从句在复合句中表示让步概念的状语从句被称为让步状语从句。通常由下列词被称为让步状语从句。通常由下列词语引导：语引导：though,although,even if,even though,while,no matter who/,however，as等。等。让步状语从句可以位于主句前、后，让步状语从句可以位于主句前、后，有时插在主句中间。有时插在主句中间

14、。Though/althoughThough/Although he was old,he worked hard.=He was old but he worked hard.注意一个典型的中国错误：注意一个典型的中国错误：though/although 切不可与切不可与but连用。连用。as1 1.T Tr ry y a as s h he e w wo ou ul ld d,h he e c co ou ul ld d n no ot t r re emme emmb be er r a a w wo or rd d o of f i it t.(=NNo o mma at tt te

15、er r h ho ow w h he e w wo ou ul ld d t tr ry y )2 2.T Tr ry y a as s h he e mmi ig gh ht t,h he e d di id dn n t t p pa as ss s t th he e e ex xa amm.3 3.C Ch hi il ld d a as s h he e i is s,h he e k kn no ow w o o l lo ot t.whilen nwhile引引导导的的让让步步状状语语从从句句：n n while(=although),它它引引导导的的让让步步状状语语从从句句只

16、只能能前前置置，位位于于句句首首，如如：n n While you may be right,I cant altogether agree.n n While I admit that the problems are difficult,I dont agree that they cannot be solvedwhetherorn nw wh he et th he er ro or r引引引引导导导导的的的的让让让让步步步步状状状状语语语语从从从从句句句句：n n 这这这这种种种种从从从从句句句句也也也也称称称称“选选选选择择择择条条条条件件件件-让让让让步步步步状状状状语语语语从从

17、从从句句句句”，可可可可位位位位于于于于主主主主句句句句之之之之前前前前或或或或之之之之后后后后，如如如如：1 1.WWh he et th he er r y yo ou u l li ik ke e i it t o or r n no ot t,y yo ou u l ll l h ha av ve e t to o d do o i it t.2 2.WWe e h ho ol ld d t th ha at t a al ll l c co ou un nt tr ri ie es s,(w wh he et th he er r t th he ey y a ar re e)b b

18、i ig g o or r s smma al ll l,(w wh he et th he er r t th he ey y a ar re e)r ri ic ch h o or r p po oo or r,s sh ho ou ul ld d b be e e eq qu ua al l.3 3.WWh he et th he er r i it t r ra ai in ns s o or r s sn no ow ws s,I I w wi il ll l g go o t to on ni ig gh ht t.5 5.S Sh he e h ha ad d t to o g

19、go o,w wh he et th he er r o or r n no ot t s sh he e w wa an nt te ed d i it t.whoever,whomever,whatever,whichevern n由由由由连连连连接接接接代代代代词词词词w wh ho oe ev ve er r,w wh ho omme ev ve er r,w wh ha at te ev ve er r,w wh hi ic ch he ev ve er r引引引引导导导导的的的的让让让让步步步步状状状状语语语语从从从从句句句句：n n WWh ho oe ev ve er r (=

20、n no o mma at tt te er r w wh ho o)i is s u un nw wi il ll li in ng g t to o g go o,I I w wi il ll l g go o.n n WWh ho omme ev ve er r (=n no o mma at tt te er r w wh ho omm)y yo ou u a ar re e d de ea al li in ng g w wi it th h,t th hi is s mme et th ho od d i is s n no o g go oo od d.n n WWh ha at

21、 te ev ve er r (=n no o mma at tt te er r w wh ha at t)h ha ap pp pe en ns s,k ke ee ep p c ca al lmm.n n WWh ha at te ev ve er r o ot th he er rs s mma ay y s sa ay y,y yo ou u a ar re e c ce er rt ta ai in nl ly y r ri ig gh ht t.n n WWh hi ic ch he ev ve er r (=n no o mma at tt te er r w wh hi ic

22、 ch h)y yo ou u c ch ho oo os se e,w we e h ha av ve e n no o o ob bj je ec ct ti io on n.whatever 或whichevern n由由由由连连连连接接接接形形形形容容容容词词词词w wh ha at te ev ve er r 或或或或w wh hi ic ch he ev ve er r 引引引引导导导导的的的的让让让让步步步步状状状状语语语语从从从从句句句句，如如如如：n n WWh ha at te ev ve er r (=n no o mma at tt te er r w wh ha at

23、 t)d di if ff fi ic cu ul lt ti ie es s mma ay y a ar ri is se e,w we e mmu us st t a an nd d c ca an n o ov ve er rc co omme e t th he emm o on ne e b by y o on ne e.(w wh ha at te ev ve er r 既既既既相相相相当当当当于于于于n no o mma at tt te er r 连连连连接接接接主主主主句句句句与与与与从从从从句句句句，又又又又相相相相当当当当于于于于疑疑疑疑问问问问形形形形容容容容词词词词w

24、 wh ha at t 修修修修饰饰饰饰名名名名词词词词d di if ff fi ic cu ul lt ti ie es s。)n n WWh hi ic ch he ev ve er r (=n no o mma at tt te er r w wh hi ic ch h)r ro oo omm i is s a as ss si ig gn ne ed d t to o h hi imm,h he e w wi il ll l h ha av ve e n no o o ob bj je ec ct ti io on n.n n WWh hi ic ch he ev ve er r m

25、me et th ho od d y yo ou u u us se e,t th he e r re es su ul lt t i is s mmu uc ch h t th he e s sa amme e.however,wherever 或whenevern n由由由由连连连连接接接接副副副副词词词词h ho ow we ev ve er r,w wh he er re ev ve er r 或或或或w wh he en ne ev ve er r 引引引引导导导导的的的的让让让让步步步步状状状状语语语语从从从从句句句句。例例例例如如如如：n n HHo ow we ev ve er

26、 r (=n no o mma at tt te er r h ho ow w)d di if ff fi ic cu ul lt t t th he e t ta as sk k mma ay y b be e,w we e w wi il ll l f fu ul lf fi il l i it t o on n t ti imme e.n n WWh he er re ev ve er r (=n no o mma at tt te er r w wh he er re e)t th he ey y w we en nt t,t th he ey y w we er re e w wa

27、ar rmml ly y w we el lc co omme ed d.n n WWh he en ne ev ve er r I I mm u un nh ha ap pp py y,h he e c ch he ee er rs s mme e u up p.n n T Th he e d do og g f fo ol ll lo ow ws s mme e w wh he er re ev ve er r I I g go o.even though和和 thoughn n even though(=even if)引引导导的的从从句句指指把把握握不不大大或或假假设设的的事事情情，意

28、意为为“即即使使”、“纵纵然然”；n nMost of us ignore the food advice,even if/even though we know it to be true.1.1._ I accept that he is not perfect,I do actually like the person.A.A.While B.since C.Before D.Unless2.The workers are determined to go through with their railway project,_ the expenses have risen.A.A.a

29、s long as B.even thoughC.now that D.as though3._,he knows more than other children of his age.A.However young child he isB.Child as he isC.No matter how young child isD.What a young child he is4.I really want the match,however much _.A.does it cost B.costs itC.will it cost D.it costs5._ we have fini

30、shed the course,we shall start doing more revision work.A.A.For now B.Now thatC.By now D.until6._,the idea off having to work under a woman defeated him.A.A.Wanting the job very muchB.B.Although wanting the job badlyC.C.Though he wanted the job very muchD.D.He wanted the job badly6.目的目的状语从句状语从句引导目的状

31、语从句的连词引导目的状语从句的连词:in order that 用于正式文体中，所引用于正式文体中，所引从句可于主句前或后。从句可于主句前或后。so thata.较常用，一般用于主句后较常用，一般用于主句后,有时可分开，有时可分开，so 有时可省有时可省;从句中从句中要有情态动词要有情态动词，否则，否则,就成为下一种句型：就成为下一种句型：b.无无情态动词则引导情态动词则引导结果状结果状语语从句。从句。for fear that;in case;lest(以免以免)等。等。e.g.a.Well sit nearer the front so we can hear better.b.I sha

32、ll write it down lest I should forget.注意：注意：当从句与主句的主语一致时，可当从句与主句的主语一致时，可用用so as to do 或或 in order to do e.g.He ran fast so that he might arrive there before ten oclock.He ran fast so as to arrive there before ten oclock.7.结果结果状语从句状语从句结果结果状语从句常位于主句之后，由状语从句常位于主句之后，由so,so that,such that;so that 等引导。等引导

33、。e.g.a.So quickly did he run that I couldnt catch up with him.b.The bus broke down so that we had to walk home.c.He got to the station finally,only to find the train had left.8.方式方式状语从句状语从句描述主句动作进行方式的状语被称描述主句动作进行方式的状语被称为方式状语。通常用下列词语引导：为方式状语。通常用下列词语引导：as,just as,as if,as though,according to 等。等。e.g.a

34、.We must do as the Party tells us.b.Leave the things as they are.c.Most plants need sunlight just as they need water.d.It sounds as if it is raining.9.比较比较状语从句状语从句比较状语从句常由下列词语引导：比较状语从句常由下列词语引导：as as,not so/as as,morethan,less than,the more+adj./adv.,the more+adj./adv.e.g.a.He is not so/as healthy as

35、 his brother.b.They jumped up and down as hard as they could.c.John is less clever than Peter.1.1.Roses need special care _ they can live through winter.A.A.because B.so thatC.even if D.as2.If things are left _ they are,the problems will never be settled,Im afraid.A.A.how B.as C.what D.where3.Careful surveys have pointed out that as many as 50 percent of the patients do not take drugs _ directed.A.A.like B.so C.which D.as4.I dare not go there _ my parents will see me.A.A.in case of B.for fear ofC.in order that D.for fear that