状语从句考点归纳

1状语从句考点归纳一、基本状语从句从属连词的考查（对着提纲自己先回忆）时间状语从句：1连词when,while,as的异同；2连词before的含义（容易与一些句型混淆,在草稿纸上写出）；3until和till的异同；notuntil句型的倒装问题；主句的肯定与否定；4弄清since引导的时间状语从句中谓语动词是状态/持续性动词还是终止性动词；区分Itbe…since/before/when/that…句型；5表示“一……就……”的四类从属连词；6by“到……为止”引导时间状语,注意主句的时态；7time短语可引导时间状语从句：every/eachtime,(the)next/lasttime,bythetime,thefirsttime等;区分thefirsttime和forthefirsttime;thefirst/second/thirdtime作表语后面接定语从句时，注意定语从句的时态。地点状语从句：1区分where与wherever;2区分where引导的地点状语从句，定语从句与名词性从句;原因状语从句：1连词because,since，as,for的区别;2其他可引导原因状语从句的词（组）；★★（在草稿纸上写出）3区分because与becauseof。条件状语从句：1区分if与unless除非/如果不(有时可换成if…not);2区分onlyif(只有)与ifonly(要是…就好了;只要);3as/solongas只要；4其他可引导条件状语从句的词（组）。★★（在草稿纸上写出）让步状语从句：1连词although,though,as,while,when的区别；2though/although与eventhough/evenif的区别；3whether…or…(不论／不管……还是……)whether…ornot（不管/不论是否）；4“疑问词+ever”与“nomatter+疑问词”的异同；5还有些介词短语意为“尽管”。目的状语从句：1inorderthat与sothat在句中的位置；2引导词incase(免得/以防万一)与forfearthat(担心/以防万一)。结果状语从句：1区分so…that与such…that(口语中that可省略)；2区分结果状语从句与定语从句so/such…that与so/such…as；3连词还有sothat，withtheresultthat。比较状语从句：1nomore…than(不比……更)和more…than(与其说…不如说)；2as…as和notso(as)…as；3“the+比较级…,the+比较级”的时态。方式状语从句：1as(像、如同、按照)；justas正如、恰似；(just)thesameas和……一样；2asitis/was；astheyare/were按照原来/现在的样子(句末)3AistoBwhatCistoBA对B而言正如C对D一样4asif,asthough有时用虚拟语气，有时不用虚拟语气5asif/asthough状语从句也可以用省略形式.二、状语从句中的省略见省略如状语从句的主语与主句的主语一致(或从句的主语是it)，且从句谓语中又包含be，则从句主语和be动词可省Don’ttalkwhile(youare)eating.Helookedaroundtheroomasif(hewas)lookingforsomething.When(hewas)askedhowhegainedfirstplace,hesuddenlybecamecheerful.if(itis)possible如果可能if(itis)necessary如有必要whenever(itis)possible一有可能就ifinneed如果有需要ifany如果有改错Isawtheaccidentwhenwaitedforthebus.Don’tcomeinunlessaskingto.(现在分词或过去分词短语作定语，可以理解为是定语从句中将关系代词作的主语和be动词省略)Doyouknowtheman(whois)sittingunderthetree.Isthereanything(thathasbeen)plannedfortonight?2三、状语从句中时态的考查见时态1在时间，条件状语从句中用一般现在时代替一般将来时,现在完成时代替将来完成时when/if也可引导名词性从句该用将来时态仍用将来时态时间状语的引导词有when,while,after,before,assoonas,not…until,once,by；条件状语的引导词有if,unlessIdon’tknowif/whenhewillcomeback.我不知道他是否/什么时候回来。(if,when引导宾语从句)If/whenhecomesback,I’lltellhim.如果他回来/当他回来的时候，我会告诉他。(if引导条件状语从句，when引导时间状语从句)Ifyouwill(愿意)waithereforhalfanhour,Iwillletyouseehim.Iwillgotobedassoonastheworkhasbeenfinished.①Wewillgotothepark____tomorrow.AifitnotrainsBifitwon’trainCunlessitrainsDunlessitwillrain②Whatwillyoudowhileyourparents____fortheholiday?A.willbeawayB.areawayC.leaveD.willleave2“The+比较级…,the+比较级….”结构，前面的句子相当于条件状语从句，用一般现在时代替一般将来时Theharderyouworkatyourlessons,thelessdifficultyouwillfindthem.3祈使句+and(then)/or/orelse/otherwise+陈述句（用一般将来时）相当于含有条件状语从句的主从复合句。Ifyoudon’thurryup,youwillbelate=Hurryup,orelse/otherwiseyou’llbelate.=Hurryup(,)and(then)youwon’tbelate.祈使句有时省为名词短语(Say)Awordmore,andwe’lldriveyouout.①Trythenewcleaner.Justafewminuteseveryday—that’sallittakes—_____youcouldhaveshiningfloorsandfurniture.A.andB.butC.orD.so②It’sreallyverydangerous.Onemorestep,___thebabywillfallintothewell.A.orB.soC.andD.but③Anotherchance,____Iwilldoitbetter.A.orB.soC.andD.but四、状语从句中的倒装见倒装1nosooner…than…/hardly/scarcely…when…句型中hardly/scarcely位于句首时,主句要部分倒装且常用过去完成时2as引导让步状语从句必须用异常语序（though引导让步状语从句可用异常语序）把表语或状语提前。句首名词不带冠词。如实义动词有宾语和状语，随实义动词一起放在主语之前。3so/such…that…引导的结果状语从句中，如so/such在句首，前面用部分倒装语序。4if虚拟句，如有had，should，were这三个词，在正式或书面语言中可将if省略，再倒装。Ifitshouldraintomorrow,whatwouldwedo?=Shoulditraintomorrow,whatwouldwedo?=Ifitweretoraintomorrow,whatwouldwedo?=Wereittoraintomorrow,whatwouldwedo?五、状语从句中的虚拟语气见虚拟语气1if，ifonly引导的非真实条件句中要用虚拟语气；2asif,asthough引导的方式状语从句中如表达的是一种事实不符的情况要用虚拟语气。六、容易误认为状语从句的结构1_______myhometowntakeonanewlook,asenseof_____suddenlyappearedinmymind.A.Havingseen;happinessB.Seeing;joyC.WhenIsaw;prideD.WhileIsaw;delight2_____hermotherhadcome,herfacelitup.A.HearingB.HavingheardC.WhenhearingD.Whensheheard3Allhertime__________experiments,shehasnotimeforfilms.A.devotedtodoB.devotedtodoingC.devotingtodoingD.isdevotedtodoing4___alargeamountoftimedevotedtolisteningeveryday,manystudentsdonotlisteneffectively.A.BecauseofB.InsteadofC.DespiteD.Though3基本状语从句从属连词的考查一、时间状语从句1连词when,while,as的异同when1）当…时候,引导的时间从句中的动词可是延续性动词（可用as/while）也可是非延续性动词（可用as）When/While/Aswewerehaving(延续性动词)aparty,thelightwentoff/out.Whenthelightwentoff/out(非延续性动词)，wewerehavingaparty当从句的动作发生于主句动作之前，只用when或after引导这个从句，不用as或while。When/Afteryouhavefinishedyourwork,youmayhavearest.2）when充当并列连词的句型be(just)abouttodosth.when正要做某事突然/这时beonthepointofdoingsth.when正要做某事突然/这时bedoingsth.when正要/正在做某事突然/这时beonthewaytosp.when在去某地的途中这时hadjustdonesth.when刚刚做了某事这时hardly/scarcely/rarely…when/before一……就3）when不表示时间而表示原因或让步的用法如果/考虑到（同consideringthat/if）Howcanhegetgoodgradeswhenhewon'tstudy?既然（同since）Whydidyouwritewithapencilwhenyouknowyoushouldwriteinink？虽然/尽管Sheusuallywalkswhenshemightride.while1）引导的时间状语从句中的动词必须是延续性的.2）表对照，引导并列句MotherisbusydoingthehouseworkwhileFatheriswatchingTV.3）(书面语)虽然/尽管…(但同时)…，引导让步状语从句WhileIadmitthatthereareproblems,Idon'tagreethattheycannotbesolved.Whilethegrandparentslovethechildren,theyarestrictwiththem.as1）在…期间，当…的时候①as引导的时间从句中的动词可是延续性动词，可用while或when，但as侧重从句的动作和主句的动作同时发生，“一边…一边…”IreadtheletterasIwalkedalongtheriver.时间从句中的动词也可是非延续性动词，可用when，但a