初中状语从句讲解课件

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1、状状 语语 从从 句句讲讲 练练 用作状语的从句叫做状语从句。引导状语从句的关联词是用作状语的从句叫做状语从句。引导状语从句的关联词是一些从属连词。一些从属连词。v例：vWhenyoucrosstheroad,youmustbecareful.当你过马路时要小心。（when是从属连词）vIwaslatebecauseImissedthebus.我迟到了，因为我误了公共汽车。（because是从属连词）.vIfsheasksme,Illtellher.她如果问我，我就告诉她。（if是从属连词）vYoulookasifyouneedarest.v你像是需要休息似的。（asif是从属连词）.状语从句

2、状语从句状语从句的种类状语从句的种类1、时间状语从句when,while,assoonas,since,until,before,after2、条件状语从句if3、结果状语从句sothat4、比较状语从句than5、原因状语从句because6、让步状语从句although,though7、地点状语从句where1.1.时间状语从句时间状语从句v引导时间状语从句的关联词常有：after,before,when,while,whenever,assoonas,as,since,until等。v例：vTheballgoesupveryhighafterithitstheground.这球着地后蹦得

3、很高。vWaituntilyourecalled.你等着叫你吧！When he came,I was cooking.他来时，我在做饭。Ill call you as soon as I come back.我一回来就给你打电话。Before they came back,we had finished the work.他们回来前，我们已经完成工作了。We havent seen each other since he left.从他离开后我们没见过面。when:持续性非持续性动词都可以持续性非持续性动词都可以当当时时Are you going to be a sailor when you

4、 leave school?while/when辨析辨析vwhen/while+doingvWhen/whilereading,hefellasleep.vwhen+终止性、延续性动词终止性、延续性动词vwhile+延续性动词延续性动词vWhentheteachercamein,Iwassleeping.v=While/WhenIwassleeping,theteachercamein.vwhen(就在这时就在这时)vIwassleeping,whensomeoneknockedatthedoor.while的其他含义：WhileIwaswalkingdownthestreet,Icameac

5、rossanoldfriend.(while=_)Helikespopmusic,whileIamfondoffolkmusic.(while=_)While I really dont like art,I find his workimpressive.(while=_)Whilethereislifethereishope.(while=_)whenalthoughas long as but as:当时；一边一边；随着某事一发生，另一事立即发生两个动作同时发生As the day went on,the weather gotworse.As the captain passed me

6、,I askedhim whether there was any hope of saving the ship.as的常见用法：1.Shesangas sheworked.一边一边2.YoumusttrytodoasIdid.像.一样3.Asshewaslateforclass,shehadtosaysorry.由于before在前ItwillbehalfayearbeforeIcomeback.It wont be half a year before we meetagain.Wesailedfourdaysandnightsbeforewesawtheland.Wehadntruna

7、milebeforehefelttired.肯定句 “才”否定句 “就”it will be+一段时间 before.多久之后才.it wont be+一段时间 before.不久就.till,until和notuntil：1.until/till引导时间状语从句用于肯定句时，主句的动词是延续性动词，表示动作或状态一直持续到until/till所表示的时间，意为“某动作一直延续到某时间点才停止”。如：We waited until he came.2用于否定句时，主句谓语动词是非延续性动词，从句为肯定，意为“某动作直到某时间才开始”。如He wont go to bed till/until

8、she returns.3till不可以置于句首，而until可以。如：Until you told me I had no idea of it.1._hecomesheretomorrow,Iwillcallyou.2._hewaswalkinginthestreet,hemetTim.3.Shesang_sheworked.4.Therewasanapplause_sheappearedonthestage.WhenWhile/Whenasas soon as5.Itwontbelong_hefinisheshiswriting.6._hehadfinishedhiswork,helef

9、tthere.7.Itistwoyears_hecamehere.8._shetoldme,Ihadnoideaofwhattheyhadsaid.beforeAftersinceEvery time/each timeUntil2.地点状语从句地点状语从句地点状语从句由 where,wherever 等引导。例如：You can take a walk wherever you like to.-Mom,what did your doctor say?-He advised me to live where the air is fresher?3.3.原因状语从句原因状语从句v原因状语从

10、句通常由because,as,since,nowthat,considering(that),seeing(that)等词引导。vbecause语气较强，用以回答why问句vas语气较弱，较口语化，所表示的原因较明显。vsince语气较弱，常表对方已知的事实，相当于汉语的“既然”。1._hewasill,hedidntgotoschool.2._youdonotunderstand,Iwillexplainagain.3.Hemustbeill,_heisabsenttoday.BecauseSincefor6.Ieatpotatoes_Ilikethem.我吃土豆是因为我喜欢土豆。7._Id

11、idntknowtheway,Iaskedapoliceman.我由于不知道路，因而问警察。8._youwonthelpme,Illasksomeoneelse.你既然不帮我，那我就请别人帮我。becauseAsSince4.4.结果状语从句结果状语从句v结果状语从句常用sothat,suchthat等关联词引导。e.g.vHeissoyoungthathecantgotowork.他如此小以致于他不能上班。vHegotsolittlepaythathisfamilyhadtoliveonwelfaremoney.他工资很少，他的家人不得不靠救济金生活。vItssuchagoodchancet

12、hatwemustntmissit.机会这样好，我们决不能失掉。1.It is _good a story that Illneverforgetit.2.Itis_agoodstorythatIllneverforgetit.sosuch 5.5.目的状语从句目的状语从句v目的状语从句常由sothat,inorderthat等词引导，目的状语从句常用助动词may（might）,shall（should）,will（would）,can(could)。目的状语从句常放于主句之后，例：vSpeakclearlysothattheymayunderstandyou.你要讲得清楚，他们才听得懂。vH

13、espokeslowlyinorderthateveryoneshouldunderstand.他讲得很慢以便人人能听懂。1.Theysetoutearly_theymightarrivethereintime.2.Takeyourraincoat_itshouldrain.3.Theboyhidhimselfbehindthetree_hisfathershouldseehim.so that(in order that)in casein case/for fear that4.Id like to arrive 20 minutes early_Icanhavetimeforacupof

14、tea.A.assoonasB.asaresultC.incaseD.sothat5.Youdbettertakesomethingtoreadwhenyougotoseethedoctor_youhavetowait.A.evenifB.asifC.incaseD.inorderthat 6.6.条件状语从句条件状语从句v条件状语从句表示条件，关联词常用if或unless,as(so)longas.等。等。vIfitsnowstomorrow,wewillbuildasnowman.明天如果下雪，我们就堆雪人。vYoullcatchacoldunlessyouputonyourcoat.你会

15、感冒的除非你穿上大衣。vHewilldoanythingaslongasitisinteresting.只要有趣，他什么都愿意干。1._youtouchanEnglishperson,youshouldsay“sorry”.2._theyaredirty,certainseasarenotabletocleanthemselves.3._wedontloseheart,wellfindawaytoovercomethedifficulty.4._Iknowyoushouldnthaveanyproblemthere.IfOnceAslongasAsfaras5.Donttouchanythin

16、g_yourteachertellsyouto.unless 7.7.让步状语从句让步状语从句v让步状语从句，表示“虽然，尽管，即使”等概念，常用的关联词有：though,although,eventhough等。vThoughhewasill,hewasstillworking.他虽然有病，但仍然继续工作。vAlthoughitisdifficult,weshalldoit.此事虽难，但我们还是要做。vEventhoughyousayso,Idonotbelieveit.即使你这样说，我也不信。注：vthough和although可以互换，只是although比较正式。vthough不可以与

17、连词but连用，但可以与yet，still连用，例：vThoughheworkedhard,hecouldntpasstheexam.虽然他很努力，但还是没通过考试。1._he is old,heworkshard.2._you say so,I dontbelieveit.3.Smart_heis,hedoesntstudyhard.4.Theoldtowermustbesaved,_thecost.A.howeverB.whateverC.whicheverD.whereverAlthough /Though Even though(even if)as8.比较状语从句v比较状语从句常用t

18、han或asas，themorethemore等引导。than表示两者的比较，asas表示程度相同的比较；Themorethemore表示”越越”。例：Thatbookismoreinterestingthanthisone.那本书比这本有趣。HerunsasfastasI（do）.他和我跑得一样快。ThemoreIseehim,thelessIlikehim.我越看他就越不喜欢。1.Hedoesntworksohard_youdo.2.Themoreyouworry,_youllsucceed.3.Shedidworseinthetest_sheexpected.asthe lessthan

19、9 9.方式状语从句方式状语从句方式状语从句由 as,as if,as though 等引导。例如:You can do it as what I just did.I couldnt moved my legs.It was as if they were stuck to the floor.He sounds as though he s got a sore throat.1.Youmusttrytodo_Idid.2.Theoldladytreatstheboy_hewereherson.as if/thoughas注：1v比较状语从句后面的主语在口语中常用宾格。v如果后面的句子主语

20、为主格时，可以加助动词、情态动词等。vHecanjumphigherthanIcan.他能比我跳得高。vHecamelaterthanLiLeidid.他比李磊来得晚。注：2becauseof和because的区别becauseof后加名词代词或动名词，不加句子，而because加句子，例：vBecauseofhisillness,hedidntgotowork.因为生病，他没上班。vBecausehewasill,hedidntgotowork.在条件和时间状语从句中，如果主句用将来时，从句常用一般现在时。If it doesnt rain,well go fishing.明天不下雨我们就去

21、钓鱼。As soon as he comes back,Ill let him know it.他一回来，我就让他知道这事。if构成条件从句时意为“如果”，可以放句首也可以放主句后；构成宾语从句时意为“是否”，一般放主句后。例如:vIdontknowifhewillcometomorrow.（宾从）我不知道他明天是否来。vIfhecomes,Illtellyou.（Illtellyouifhecomes.）如果他来，我会告诉你。（）1.Didhetellyou_attheschoolgate?A.whohewaitedforB.whoishewaitingC.whodidhewaitforD.

22、whohewaswaiting（）2.Doyouknow_?A.whoisheB.whatheisC.whatisheD.whoheisA D（）3.I dont know _.A.where does he come from B.where he does come from C.where he come from D.where he comes from（）4.Excuse me.Could you tell me _ get to the plane?Certainly.Go straight along here.A.how can we B.how we can C.where

23、 can we D.where we can D B（）5.The teacher asked the new student _ class he was in.A.whichB.where C.howD.when（）6.Do you know _ after school every day?A.what does he do B.he does what C.what he does D.does he do what A C（）7.Have you decided _ with me?A.who will you go B.who will go C.who went D.who di

24、d you go（）8.He asked me _.A.who did kick the first goal in the World Cup B.when was the APEC meeting held C.when China became a member of the WTO D.where will the 2008 Olympic be held B C（）9.Kate has gone to Shanghai and I dont know _ tomorrow.A.when she calls me B.when she will call me C.when does

25、she call me D.when will she call me（）10.Where does he come from?Pardon?I asked where _.A.did he come from B.he came from C.he comes from D.does he come from（）11.I didnt know _ at the meeting yesterday.A.what to say B.to say what C.why to say D.to say why B A B（）12.Could you tell me _?A.what time the

26、 plane leaves B.what time the plane leave C.what time did the plane leave D.what time will the plane leave（）13.Do you know _ she knows it?A.what B.ifC.when D.what（）14.Boys and girls,did you hear _ I said?A.that B.what C.it D.those（）15.You must remember _.A.what your teacher said B.what did your teac

27、her say C.your teacher said what D.what has your teacher saidB BA A（）16.I watched that man for a long time and wanted to know _.A.whether I have seen him before B.where I had seen him before C.that I had seen him before D.when did I see him（）17.Do you know _?Sorry,I dont know.You may ask the woman o

28、ver there.A.when the shop opens B.when is the shop open C.when does the shop open D.when will the shop open（）18.Do you know why she _Mr.Wang tomorrow?She has changed her mind.A.wont visit B.didnt visit C.doesnt visit D.hasnt visit A A B（）19.Could you tell me _ with the broken window?A.what I should

29、do B.what should I do C.how to d D.how I should do（）20.Do you know _?They moved here soon after their son was born.A.when would the Greens move here B.when the Greens moved here C.the Greens would move here D.when the Greens would move here（）21.I dont know when he _ back from England.A.will comeB.co

30、me C.comes D.coming B A A（）22.What did your son say in the letter?He told me that he _ the Disney World the next day.A.will visitB.has visited C.is going to visitD.would visit（）23.If he _harder next time,he will catch up with us.A.work B.worked C.works D.will work（）24.I think WeiHua will be very hap

31、py when she _your presents.A.looks B.will look C.receives D.will receive CC D（）25.Well set out as soon as our monitor _.A.comeB.comes C.will comeD.has come（）26.Ill go with you if it _fine tomorrow.A.has beenB.is C.will be D.be （）27.Ill meet him at the station when he _.A.will returnB.return C.return

32、s D.returned （）28.I wont go to see the film tonight,because I _ my ticket.A.lost B.have lost C.will lost D.didnt have B B C B（）29.Are you going to visit the farm tomorrow?Yes.But if it _,well stay at school.A.rainB.rained C.rainsD.will rain（）30.Please dont stand up in class until you _.A.were told t

33、o B.are told to C.were told D.are told（）31.They wont be back until the work _.A.do B.does C.is done D.will do（）32.Xiao Ming will come and play with me if he _busy.A.isB.wont be C.isnt D.will be BC C C（）33.I will let you know about it as soon as I _the news.A.will get B.get C.got D.get（）34.Though he

34、is ill,_he is still working hard.A.but B.yet C.too D.either（）35.He was late _ the heavy rain.A.because B.because of C.though D.if（）36.He is _ excited that he cant speak any thing.A.too B.to C.so D.enough（）37.The boy is _ lovely that we all like him.A.soB.such C.too D.very B C A D B（）38.This is _ an

35、interesting book that I want to read it again.A.soB.suchC.quiteD.very（）39.He got up early _ he could catch up with the others.A.in order to B.To C.so that D.that（）40.Our school is _yours.A.as three times large as B.as large three times as C.three times as large as D.as large three times as（）41.I wonder if he _.If he _,Ill ask him to drive me there.A.comes,comes B.come,come C.will come,comes D.come,will come C C CB