状语从句OK

状语从句河南省淮阳中学李景祥命题热点:状语从句中的命题热点内容如下：①从属连词的选用；②时间，条件状语从句中时态的替代现象；③when主从句中谓动的时态；④让步状语从句表达的各种形式；⑤until从句的语言现象；⑥it's+时间十s．十v．句型状语从句类型：时间状语从句地点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比较状语从句方式状语从句省略与替代1.时间状语从句常用引导词：when,as,while,assoonas,before,after,since,till,until特殊引导词：theminute,themoment,thesecond,everytime,theday，theinstant,immediately,directly,nosooner…than,hardly/scarcely…when,Ididn’trealizehowspecialmymotherwasuntilIbe-cameanadult.WhileJohnwaswatchingTV,hiswifewascooking.Thechildrenranawayfromtheorchard(果园)themo-menttheysawtheguard.NosoonerhadIarrivedhomethanitbegantorain.EverytimeIlistentoyouradvice,Igetintotrouble.Eg:[1].由when,while,as引导的时间状语从句。①when引导的从句的谓语动词可以是延续性的动词，又可是瞬时动词。并且when有时表示“就在那时”。②While引导的从句谓语动作必须是延续性的，并强调主句动作发生在从句动作持续之间。且while有时还可以表示对比。例如：Whilemywifewasreadingthenewspaper,IwaswatchingTV.(二者皆为延续性动词，并且同时发生)。③As表示“一边……一边”，as引导的动作是延续性的动作，一般用于主、从句动作同时发生；as也可以强调“一先一后。Aswewasgoingout,itbegantosnow.当我们出门时，开始下雪了。（强调两个动作相继发生）①As/When/WhileIwaswalkingdownthestreet,Inoticedapolicecar.(背景长,动作短)②主、从句为同时进行的动作，用while，不用when。WhileJohnwassittingbitinghisnails,Iwasworkingoutaplan.但as可以用来说明两种正在发展或变化的情况。．AsIgetolderIbecomemoreclever.③当表示两个短动作或事件同时发生，常用(just)when．Ithoughtofit(just)whenyouopenedyourmouth.就在你要说的时候，我也想到了。[2].由before和after引导的时间状语从句。注意：before引导的从句不再用否定式谓语，并且当before引导的从句位于主句之后，有时译成“就，才”。还要注意主句和从句之间的时间关系。主句用将来时，从句总是用现在时；若before引导的从句谓语用的是过去时，主句动词多用过去完成时，这样以便体现动作发生的先后。After表示主句动作发生在从句动作之后。主句和从句动作时间关系正好与before从句相反。[3].由till或until引导的时间状语从句。till和until一般可以互换，但在强调句型中多用until。并且要注意的是：如果主句中的谓语动词是瞬时动词时，必须用否定形式；如果主句中的谓语动词是延续性动词时，用肯定或否定形式都可以，但意思不同。例如：Ididn’trealizehowspecialmymotherwasuntilIbe-cameanadult.Till/until时间一到，主句情况就发生了彻底的变化，肯定变成否定，反之亦然。Eg:Istayeduptillhecameback.=Iwenttobewhenhecameback.=Istoppedstayingupwhenhecameback.[4].由since引导的时间状语从句。since从句的谓语动词可以是延续性的动词，又可是瞬时动词。从句谓语动词常用一般过去时，而主句谓语动词用现在完成（进行）时。但在Itis＋时间＋since从句的句型中，主句多用一般现在时。例如：Ididn’tgotobeduntilhecameback.主句动词为线动词，用肯定式；主句动词为点动词，用否定式；Till、until一般可互换。但需注意：Notuntil…didsb.do…Itis/wasnotuntil…that…from…till…[5].assoonas,immediately,directly,instantly,themoment,theinstant,theminute时间状语从句。“一……就”。注意：①hardly(scarcely,rarely)…when/before,nosooner…than相当于assoonas之意。②主句用过去完成时，从句用一般过去时。③hardly,scarcely,rarely或nosooner位于句首时，主句应用部分倒装语序。Thechildrenranawayfromtheorchardthemomenttheysawtheguard.[6].bythetime引导的时间状语从句。注意时态的变化：从句谓语动词用一般过去时，主句谓语动词用过去完成时；从句谓语动词用一般现在时，主句谓语动词用将来完成时。Eg:Bythetimehecameback,Ihadfinishedmyhome-work.We’llhavelearnedtenunitsbythetimesummervocationcomes.[7].eachtime,everytime和whenever引导的时间状语从句。EverytimeIlistentoyouradvice,Igetintotrouble.Eg:______youtalktosomeoneorwriteamessage，youshowyourskillstoothers.A.AttimesB.SometimeC.BythetimeD.Everytime[8].aslongas和solongas引导的时间状语从句。这两个连词表示“有多久……就多久”。YoucankeepmyMp3aslongasyoulike.HardlyScarcelyRarelyNosooner…than……when/before…==assoonas｝[9]:hadsb.donehadsb.done2.地点状语从句常用引导词：where特殊引导词：wherever,anywhere,everywhereGenerally,airwillbeheavilypollutedwheretherearefactories.Whereveryougo,youshouldworkhard.egYoucanseethiskindofanimalsanywhereyougoinChina.EverywhereIgo,Ihearpeopleworryingaboutthefuture.3.原因状语从句常用引导词：because,since,as,特殊引导词：seeingthat,nowthat,inthat=because,consideringthat=giventhat=as,inasmuchas=as,Inasmuchasthedebtorhasnoproperty,Iabandonedtheclaim.因为债务人无财产,我放弃了债务。JackdislikemebecauseI’mhandsomeandsuccessful.Nowthateverybodyhascome,let’sbeginourconference.Thehigherincometaxisharmfulinthatitmaydiscouragepeoplefromtryingtoearnmore.Consideringthatheisnomorethan12yearsold,hisheightof1.80misquiteremarkable.Eg:Since=seeingthatnowthat4.目的状语从句常用连词：sothat,inorderthat特殊连词：lest,incase,forfearthat,inthehopethat,forthepurposethat,totheendthatThebossaskedthesecretarytohurryupwiththeletterssothathecouldsignthem.Theteacherraisedhisvoiceonpurposethatthestudentsinthebackcouldhearmoreclearly.Eg:5.结果状语从句常用连词：so…that,so…that,such…that,特殊连词：suchthat,tothedegreethat,totheextentthat,tosuchadegreethat,Hegotupsoearlythathecaughtthefirstbus.It’ssuchagoodchancethatwemustnotmissit.Tosuchandegreewasheexcitedthathecouldn’tsleeplastnight.Eg:6.条件状语从句常用连词：if,unless,once特殊连词：as/solongas,onlyif,providing/providedthat,supposethat,incasethat,onconditionthatWe’llstartourprojectifthepresidentagrees.Youwillcertainlysucceedsolongasyoukeepontrying.Providedthatthereisnoopposition,weshallholdthemeetinghere.Eg:7.让步状语从句常用连词：though,although,evenif,eventhough特殊连词：as(用在让步状语从句中必须要倒装)，while(一般用在句首)，nomatter…，inspiteofthefactthat,while,whatever,whoever,wherever,whenever,however,whicheverHewon’tlistenwhateveryoumaysay.Nomatterhowhardhetries,shewon’tchangehermind.MuchasIrespecthim,Ican’tagreetohisproposal.Eg:8.比较状语从句常用连词：as(同级比较),than(不同程度的比较)特殊连词：themore…themore…;justas…，so…;AistoBwhat/asXistoY;no…morethan;notAsomuchasBSheisasbad-temperedashermother.Thehouseisthreetimesasbigasours.Themoreyouexercise,thehealthieryouwillbe.Foodistomenwhatoilistomachine.Eg:9.方式状语从句常用引导词：as,asif,how特殊引导词：thewayWheninRome,doastheRomando.Shebehavedasifsheweretheboss.[sheisn’t]Sometimesweteachourchildrenthewayourparentshavetaughtus.Eg:Asif/though①陈述式谓语动词②虚拟式谓语动词状语从句的省略①主句和从句