高考英语之状语从句知识梳理及考点扫描种类连接词注意点时间状语when,whenever,while,as,before,after,until,till,bythetime,assoonas,hardly…when,nosooner…than,themoment/theminute/immediately/directly/instantly主句表示将来意义时,从句须用一般现在时;while引导的从句中动词一般是延续性的;until用在肯定句中主句动词是延续性的,而否定句中主句动词为短暂性的。地点状语where,wherever原因状语because,as,since,nowthat(既然)because语气最强,since较弱,表示大家都明了的原因,as又次之。条件状语if,unless,once,as(so)longas,(只要)onconditionthat,provided(that),suppose/supposing(假设),从句中动词时态不可用将来时,常用一般时代替目的状语sothat,inorderthat,forfearthat,lestincase(万一)sothat和inorderthat后常接may,should,could,would等情态动词结果状语sothat,so…that,such…thatso+形容词或副词+that;such+名词+that。比较状语than,as…as,notso/as…as,themore…themore方式状语asif/asthough(好像),asasif和asthough从句一般用虚拟语气。让步状语though,although,evenif/eventhough,nomatterwhat/who/which/how/whenwhatever,whoever,whichever,however,whenever,as,whether…or,while(虽然)as在让步状语从句中常用倒装形式;although和though可和yet/still连用,但不可和but连用;如果主句用一般将来时,从句通常用一般现在时代替一般将来时。★使用状语从句时要注意的几个问题1、注意时态替代We’llgooutingifitdoesn’traintomorrow.I’llwritetoyouassoonasIgettoShanghai.2、注意省略现象As(hewas)ayoungman,hewasastorekeeperandlaterapostmaster.If(itis)necessaryI’llexplaintoyouagain.3、注意区分不同从句。如:以where为例,能引导多种从句Youaretofinditwhereyouleftit.(地点状语从句)Tellmetheaddresswherehelives.(定语从句,句中有先行词)Idon’tknowwherehecamefrom.(宾语从句)Wherehehasgoneisnotknownyet.(主语从句)Thisplaceiswheretheyoncehid.(表语从句)状语从句难点考点大扫描考点一:时间状语从句【考例1】Hetransplantedthelittletreetothegarden_____itwasthebesttimeforit.(05上海)A.whereB.whenC.thatD.until解析句意为:在最合适的时候,他将小树移植了。【考例2】-I’mgoingtothepostoffice.-______you’rethere,canyougetmesomestamps?A.AsB.WhileC.BecauseD.If(99全国)解析虽然as和while都可表示“在……期间”,但as要与动作动词连用,而本题的“arethere”是状态,不是动作,只能用while,故选B。【考例3】Theyoungmostlyenjoypopmusic_______theoldusuallypreferclassical.A.WhenB.BecauseC.WhileD.After【考例4】Someonecalledmeupinthemiddleofthenight,buttheyhungup______Icouldanswerthephone.(2000全国)A.asB.sinceC.untilD.before解析句意为:有人半夜打来电话,但是我还没来得及接,对方就挂了电话。before的本意为“在……之前”,根据具体语境还可理解为“还没来得及/还没有……就……。【考例5】Weweretoldweshouldfollowthemainroad_______wereachedthecentralrailway.(04辽宁)A.wheneverB.untilC.whileD.wherever解析句意为:有人告诉我们,我们应当沿着这条主道往前走,直走到中心火车站。【考例6】–DidyouremembertogiveMarythemoneyyouowedher?–Yes,Igaveittoher______Isawher.(01北京)A.whileB.themomentC.suddenlyD.once解析句意“我一看见她就还给她了”。表示“一……就……”的连词:assoonas;theminute,thesecond,theinstant;immediately,directly,instantly;nosooner…than…,hardly…when…注意区分Itbe…since/before/when…句型:①“Itbe+时间段+since…”表示“自从……以来有多久了”②“Itbe+时间段+before…”表示“过…之后才…”,若be是否定,则“没过……就……”。③“Itbe+时间点+before…”表示“在……之前,时间是……”。④“Itbe+时间点+when…”表示“当……时,时间是……”。如:【考例7】Itisalmostfiveyears_____wesaweachotherlasttime.(05北京春)A.beforeB.sinceC.afterD.when解析句意“我们自上次见面以来已经五年了”。其中itis也可说成ithasbeen.【考例8】.Itwassometime_________werealizethetruth.(05山东)A.whenB.untilC.sinceD.before【考例9】.–DidJackcomebackearlylastnight?–Yes.Itwasnotyeteighto’clock_______hearrivedhome(05福建)A.beforeB.whenC.thatD.until考点二:地点状语从句【考例】Thefamousscientistgrewup_______hewasbornandin1930hecametoShanghai.A.whenB.wheneverC.whereD.wherever(2002上海)考点三:条件状语从句引导条件状语从句的从属连词有if,unless(=if…not如果不,除非),as/solongas,while(=aslongas只要),supposing(that),provided/providing(that),incase(假使),onconditionthat(在……的条件下)等。如:【考例1】Itisknowntoallthat____youexerciseregularly,youwon,tkeepgoodhealth.A.unlessB.wheneverC.althoughD.if(05重庆)解析由句意“如果你不经常锻炼,你就没有好的身体”可知选______。【考例2】Iknowthemoneyissafe,Ishallnotworryaboutit.(03北京)A.EventhoughB.UnlessC.AslongasD.While解析句意为:只要我知道这引起钱是安全的,我就不担心了。可知选______。考点四:目的状语从句引导目的状语从句的从属连词有sothat,inorderthat(为了,以便);incase(以防,以免),lest(免得,以防),forfearthat(以免,惟恐)等。从句中一般含有can,could,may,might,will,would等情态动词。如:【考例1】I’dliketoarrive20minutesearly______Icanhavetimeforacupoftea.(05全国)A.assoonasB.asaresultC.incaseD.sothat解析句意为:为了有时间喝杯茶,我想早到20分钟。【考例2】IalwaystakesomethingtoreadwhenIgotothedoctor’s______Ihavetowait.(2005全国)A.incaseB.sothatC.inorderD.asif考点五:原因状语从句引导原因状语从句的从属连词有because,since,now(that),when(既然),as,seeing(that)(由于),considering(that),given(that)(考虑到)等。如:______you’vegotachance,youmightaswellmakefulluseofit.(1999全国)A.NowthatB.AfterC.AlthoughD.Assoonas考点六:让步状语从句【考例1】________Iacceptthatheisnotperfect,Idoactuallyliketheperson.(04江苏)A.WhileB.SinceC.BeforeD.Unless解析由句意“尽管我承认他并不十全十美,但我的确喜欢他”可知选______。【考例2】TherewasneveranytimeforKatetofeellonely,_____shewasanonlychild.A.eversinceB.nowthatC.eventhoughD.evenas(05辽宁)【考例3】Hetriedhisbesttosolvetheproblem,_________difficultitwas.(05天津)A.howeverB.nomatterC.whateverD.although解析因difficult是形容词,修饰形容词要用连接副词(不管多么),故选______。高考试题链接1.Hewasabouttotellmethesecret____someonepattedhimontheshoulder.(02)A.asB.untilC.whileD.when2.Thefamousscientistgrewuphewasbornandin1930hecametoShanghai.(02)A.whenB.wheneverC.whereD.wherever3.AsfarasIamconcerned,educationisaboutlearningandthemoreyoulearn,_______.(02)A.themoreforlifeareyouequippedB.themoreequippedforlifeyouareC.themorelifeyouareequippedforD.youareequippedthemoreforlife4.Agoodstorytellermustbeabletoholdhislisteners’curiosity___hereachestheendofthestory.A.whenB.unlessC.afterD.until(03)5.--Dad,I’vefinishedmyassignment.–Good,and__youplayorwatchTV,youmustn’tdisturbme.A.wheneverB.whetherC.