-1-2014高考英语30分钟专题突破精讲:连词和状语从句考点一连词在句中连接单词、短语、从句或者句子的词为连词。根据句子的结构特点,连词通常分为并列连词和从属连词。1.并列连词按照在句中的作用可分为:表并列关系的连词(and,aswellas,both...and...,notonly...butalso...,neither...nor...等)、表转折关系的连词(but,yet,however,while,nevertheless等)、表选择关系的连词(or,either...or...,otherwise等)、表因果关系的连词(for,so,therefore等)。—WhydoyoulikestayinginGuiyang?—Becausetheweatherthereisneithertoohotnortoocold.2.引导名词性从句或状语从句的主要有以下从属连词:that,whether,if,as,when,while,till,until,since,after,before,because,though,although,so...that,where等。Iarrivedafterheleft.考点二时间状语从句1.when,while,as都可译为“当……的时候”,但侧重点有所不同。当主句动作是瞬时的,从句动作是延续的时,三者都可以用。as强调主、从句动作同时或几乎同时发生。while从句的谓语必须是延续的,不能是非延续性动词。Shesangaswewalked.Ilistenedcarefullywhileshewassinging,andwefelthappywhenwegothome.我们一边走她一边唱,她唱的时候我认真听。到家的时候我们感觉很高兴。2.until和not...untiluntil要与延续性动词连用;not...until要与非延续性动词连用。Hedidn'tgotobeduntilhisfathercameback.3.特殊的时间状语从句的引导词1)themoment,theminute,theinstant,thesecond;nosooner...than...;hardly/scarcely...when...等以及表示瞬间的directly,immediately,表示“一……就……”,相当于assoonas。nosooner...than...,hardly/scarcely...when...结构中nosooner和hardly/scarcely引导的句子中谓语动词通常用过去完成时,而than和when引导的句子中谓语动词通常要用一般过去时,此外,nosooner和hardly/scarcely位于句首时,句子应用部分倒装语序。TellhimthenewstheminuteyoumeetTom.-2-HardlyhadIgothomewhenitbegantorain.2)nexttime,thefirsttime,lasttime,everytime,thespring(summer,autumn,winter)等,这类短语名词直接用作连词引导时间状语从句。EverytimeIseehimhewearsapleasantsmile.4.bythetime也可以引导时间状语从句,意为“到……时为止”,主句一般用完成时态。Bythetimehewasfourteen,Einsteinhadlearnedadvancedmathematicsallbyhimself.(从句为一般过去时,主句要用过去完成时)5.几组固定形式1)Itwillbe+一段时间+before...多久之后才……2)Itis+一段时间+since...自从……以来已有多长时间了。3)beabouttodo...when...;bedoing...when...;onthepointofdoing...when...Itwillbetwodaysbeforehereturns.ItisthreeyearssinceIcamehere.Iwasdoingmyhomeworkwhenmycousincame.考点三结果状语从句其常用句型:so+形容词/副词+that从句so+形容词+a/an+单数可数名词+that从句so+many/much/little(少)/few+名词+that从句such+a/an+形容词+单数可数名词+that从句such+形容词+复数可数名词/不可数名词+that从句Heissoyoungthathecannotgotoschool.Itissuchfineweatherthatweallwanttogooutforawalk.考点四because,since,as和nowthat1.because为常用词,且说明的是直接原因,并可回答why引导的问句。2.as,since和nowthat语气较弱,常用来表示一些显而易见或对方知道的原因。since译为“既然,鉴于”时不可用as替换。Ididn'tcometoschoolyesterdaybecauseIwasill.—Whyareyoulatetoday?—BecauseIdidn'tcatchthebus.Asit'sraining,you'dbettertakeataxi.Sinceeverybodyishere,let'sbegin.考点五让步状语从句-3-引导让步状语从句的连词有:though,although,evenif/though,however,nomatterhow,nomatterwhat,nomatterwho等。1.though,although引导让步状语从句时都不能和but连用,但可以同yet(still)连用。Althoughheisrich,yetheisnothappy.2.as/though引导的让步从句时,从句要采用倒装语序。Childas/thoughhewas,heknewwhatwastherightthingtodo.Tryhardashewill,heneverseemstodotheworkwell.Youngas/thoughheis,heisexpertinthisfield.3.whether...ornot意为“无论(是否)”。Whetheryoubelieveitornot,itistrue.4.however+形容词/副词=nomatterhow+形容词/副词……,意为“无论多么……”。Nomatterhowcolditis,hestillworksoutdoors.5.whever等一系列连词既可引导让步状语从句相当于nomatterwh,也可引导名词性从句。而nomatterwh只能引导让步状语从句,不能引导名词性从句。Nomatterwhathappened,hewouldnotmind.=Whateverhappened,hewouldnotmind.考点六条件状语从句条件状语从句通常分为两大类:真实条件句和虚拟条件句。引导条件状语从句的连词有:if,unless/if...not,aslongas/solongas,asfaras/sofaras,provided/providing(that),onconditionthat等。1.条件状语从句中如果主句是将来时,条件状语从句用一般现在时。如果条件状语从句中出现过去式,则为虚拟条件句,那么主句要用相应的虚拟语气形式。Ifheisnotathome,Iwillcomeagain.Ifhehadlistenedcarefully,hewouldhavedoneitbetter.2.unless相当于if...not,在虚拟条件句中可用if...not,但不能用unless。Youwillfailunlessyoustudyhard.Ifshewerenottoosilly,shewouldunderstandit.考点七目的状语从句目的状语从句常用的连词(短语)有sothat(以便),inorderthat(以便),lest,incase,forfearthat...等。1.sothat/inorderthat引导的目的状语从句中常用情态动词can,could等。inorderthat引导的目的状语从句可以放在主句之前或之后,而sothat引导的目的状语从句只能放在主句之后。-4-Hespokeloudlysothat/inorderthatallthepeoplecouldhearhimclearly.2.lest,incase,forfearthat所引导的状语从句中,谓语动词可以用虚拟语气,形式为“should+动词原形”,也可不用虚拟语气。Hewrotethenamedownforfearthatheshouldforgetit.Youmayleavethekeyathomeincaseoneofusshouldthinkof/thinksofcomingback.高考英语30分钟专题突破(15):连词1.Facedwiththeexams,weshouldworkashardaswecan.,weshouldn’tdoitatthecostofourhealth.A.ThereforeB.HoweverC.MoreoverD.Furthermore2.Iunderstandyou,Ican’tagreewithyou.A.WhileB.WhenC.SinceD.Because3.Idon’tknowwhetheritwaslostorstolen;______,it’sgone.A.anywayB.butC.howeverD.though4.Severalyearshadpassed_________Ifinallyrealizedthetruevalueoffriendship.A.whenB.thatC.beforeD.until5.Whenparentalhandoutsarenotonlyoffered______expected,whatisGenerationYlearningaboutlivingonitsown?A.andB.butC.soD.as6.—ShallMarycometotheconcertwithus?-Notshehasfinishedherpaper.A.sinceB.onceC.whenD.unless7.Heranfasthewontherace.A.enough…toB.so…thatC.too…toD.both…and8.Heisonlytenmonths.Hecanreadwrite.A.either…orB.neither…norC.both…andD.so…that9.ShesaidshemightcomeSaturdaySunday.A.neither…norB.nither…orC.too…toD.so…that-5-10.IfTomMikeasksfortheircar,tellhimtocometomorrow.A.orB.andC.withD.but11.Itwasalreadyteno’clockwegottothemuseumthismorning.A.thatB.whenC.ifD.for12.It’salongtimewemetlast.A.soB.afterC.sinceD.before13.Thatmathsproblemisdifficultnobodycandoit.A.too…toB.very…thatC.so…thatD.very…but14.I’llgiveherthemessageshecomesback.A.sinceB.beforeC.untilD.assoonas15.theteachercameintotheclassroom,manystudentsweretalkingtoeach