状语从句用法

第三小组制作句子简单句并列句复合句复合句名词性从句主语从句宾语从句表语从句同位语从句定语从句状语从句•定义：•在复合句中由从句表示的状语称作状语从句，它可以用来修饰谓语（包括非谓语动词）、定语或状语，或是整个句子。•从属连词•用来连接两个句子、且一个句子从属于另一个句子（即从句）的连词。这类连词叫从属连词。从属连词主要用于引导各种状语从句。状语从句时间状语从句原因状语从句条件状语从句让步状语从句目的状语从句结果状语从句地点状语从句比较状语从句方式状语从句时间状语从句when,while,as,since,before,after,until,till,once,assoonas,everytime,hardly..when,nosooner...than,themoment,immediately连接词when,while,as的用法区别：when,while,as这三个连词都可表示“当……的时候”，使用时应注意：1)when可表示一个时间点，也可表示一个时间段。如：Whenhecamein,wewerehavingsupper.Whenwewerehavingsupper,thelightsuddenlywentout.*when/while/as1.______timewenton,thingsbegantochange.2.ShethoughtIwastalkingahoutherdaughter,______,infact,Iwastalkingaboutmydaughter.3.______Iacceptthatheisnotperfect,Idoactuallyliketheperson.4.Iwaswalkingalongtheroad_______suddenlysomeonepattedmeontheshoulderfrombehind.5.Thestudentssang_______theywentalong.whenAswhileWhileas一边...一边:andthen:正在…的时候,突然…随着...表对比:而表让步:虽然•1).Turnoffthelight_______youleavetheclassroom.•2).Someonecalledmeupinthemiddleofthenightbuttheyhungup________Icouldanswerthephone.•3).Itwon’tbelong_______hefinisheshiswriting.•Itwillbe/was＋一段时间＋before…:•Itwillbe/wasnot＋一段时间＋before…*beforebeforebefore:在......之前:还未来得及...就...,不等...就...before:不多久就...:还要过...才...finishes原因状语从句because,since,as,nowthat•Becausehewasill,hedidn’tgotoschool.•Hedidn’tgotoschoolbecauseofhisillness.•Hewasill,sohedidn’tgotoschool.•Beingill,hedidn’tgotoschool.•since=nowthat•Nowthatclassisover,let’sgotoplayfootball.既然•as常用于表示十分明显的原因，重点放在主句上，语气较弱，常译成“由于”.•Asit’sgettingdarker,wemustgohomenow.•由于天气变暗了，我们现在必须要回家•Hemustbeill,forheisabsenttoday.•由于他今天缺席，所以他肯定生病了。条件状语从句if,unless,so/aslongas,incase,onconditionthat•if•Ifyouworkharder,youwillsucceed.•Workharder,andyouwillsucceed.•Workharder,oryouwon’tsucceed.•Workingharder,youwillsucceed.•unless•Unlesshecomes,wewon’tbeabletogo.•Ifhedoesn’tcome,wewon’tbeabletogo.:if...not除非•*as/solongas(只要)•Youmayborrowthebookaslongasyoukeepitclean.•*incase(万一）•Sendusamessageincaseyouhaveanydifficulty.•*onconditionthat（条件是）•We’llletyouusetheroomonconditionthatyoukeepittidy.地点状语从句where•where•Wherethereisawill,thereisaway.•Wherethereissmoke,thereisfire.•无风不起浪.•青年人应该去最需要他们的地方.•Youngpeopleshouldgowheretheyaremostneeded.•Youngpeopleshouldgototheplacewheretheyaremostneeded.:在...地方定语从句让步状语从句as,although,though,whether,evenif/though,nomatterwho/when/what...,however,whatever...•让步状语从句•:表示“虽然”、“尽管”、“即使”•Although(Though)heisold,heworkshard.•Heisold,butheworkshard.•Oldasheis,heworkshard.•用as引导的让步状语从句用倒装语序，即把从句中的表语、状语或动词原形放在as前面.•adj./n./adv./v.+as+主语+其他成分•MuchasIlikeit,Iwon’tbuyit.•Tryasyoumay,youwillneversucceed.•*Eventhough(evenif)yousayso,Idon’tbelieveit.•即使你这么说，我也不相信这件事会发生。•You’llhavetoattendtheceremonywhetheryouarebusyornot.•无论你忙不忙，你都得参加典礼。•Whenever(Nomatterwhen)youcometoourcountry,youwillbewarmlywelcomed.•不管什么时候你来我们的国家，都会受到热烈欢迎。•Howeverlate/nomatterhowlateheis,hismotherwillwaitforhimtohavedinnertogether.•不管他回来的多晚，她妈妈都会等他一起吃晚饭目的状语从句sothat,inorderthat以便/为了•从句中常常使用一些情态动词,如：can,could,may,might,should等•Hegotupearlysothathecouldcatchthetrain.•他起的那么早就是为了赶上这趟火车。•=Hegotupearlyto/inorderto/soastocatchthetrain.•以防:•incase;forfear(that)•你最好带上你的伞,以防下雨•You’dbettertakeyourumbrellawithyouincase/forfear(that)yourains.结果状语从句sothat;so/such…that太...以至于...，如此...以至于...•Weturneduptheradiosothateveryonecouldhearthenews.•我们打开收音机，以便每个人都能听到这个消息。•Weturneduptheradio,sothateveryoneheardthenews.目的状语从句结果状语从句•结果状语从句:•such+a/an+adj.+单数名词+thatclause•such+adj.+n.s/n.[u]+that...•such+many/much/few/little+n(s).+that...•so+adj.(+a/an+单数名词)+thatclause•so+adv.+thatclause•Shetoldussuchaninterestingstorythatweallforgotaboutthetime.•她给我们讲了一个如此有趣的故事以至于我们都忘了时间。•Shetoldussointerestinganstorythatweallforgotaboutthetime.•Heissuchacleverboy______wealllikehim.•Heissuchacleverboy______wealllike.thatas结果状语从句定语从句比较状语从句(as)...as,than,themore...themore•比较状语从句•Hedoesn’tworksohardasyoudo.•Goldismuchheavierthananyothermetal.•Themorehelistenedtothatsong,thelessheenjoyedit.方式状语从句as;asif/though•方式状语从句•*as:按照...,如...,随...•DoinRomeastheRomansdo.•Ihavechangeditasyouaresuggested.•Leavethingsastheyare.•维持原状好了.•*asif/though:好像是...,似乎是...•Hetalksasifheknewallaboutit.一.状语从句的时态问题•1、Thefootballmatchwillbeputoffifit_________(rain)•2.Hewillgowithyouassoonashe________(finish)hishomework.•3.He________________(get)tothestationthanthetrainleft.(他一到达车站火车就开走了)•在条件，时间和让步从句中，用一般现在时表示一般将来时.rainsfinisheshadnosoonergot二.状语从句的倒装和省略1.__________________,(虽然他聪明),hedoesn’tstudywell.2.Soclever_________(he,be)thatwealllikehim.3.Though________(praise),shewasstillverymodest.4._____________(如果有必要),youmaykeepthebookforanotherweek.isheCleverasheispraisedIfnecessaryExercise•1.Ididn’tmanagetodoit______youhadexplainedhow.•2.Themanhastowaitallday______thedoctorworksfaster.•3.Johnmayphonetonight.Idon’twanttogoout_________hephones.•4.Youshouldmakeitaruletoleavethings______youcanfindthemagain.•5.TheresearchwilltakeJoanandPaulaboutfivemonths;itwillbealongtime_______wemeetthemagain.untilwhereincaseunlessbefore•6.______________________theInternetisofgreathelp,Idon’tthinkit’sagoodideatospendtoomuchtimeonit.•7