2021年中考英语状语从句复习

Iwasdoingmyhomeworkwhemmymothercamein.Ifitrainstomorrow,wewillnotgotothepark.过去进行时主将从现状语从句01.什么是状语？HespeaksEnglishverywell.

状语状语是用来修饰动词、形容词、副词的成分。说明时间、地点、原因、目的、结果、条件等。可作状语的有：名词、副词、介词短语、不定式短语和从句等。02.什么是状语从句？IwaswatchingTVatteno'clockyesterday.IwaswatchingTVwhenmymothergothome.时间状语状语从句在复合句中一个句子充当状语成分那个句子就是状语从句Jimjoinedthearmyin1989.Jimjoinedthearmywhenhewas20.HepickedupsomeFrenchwordsinParis.HepickedupsomeFrenchwordswhenhewasinParis.Iwillhelpyouifyouaskme.HewearsaT-shirtthoughitiscold.地点状语从句原因状语从句条件状语从句时间状语从句结果状语从句让步状语从句比较/方式状语从句目的状语从句时间状语从句when当...时候after在...之后as当...时候since自...以来一边...一边...assoonas一...就...while当...时候not...until直到...才before在...之前until/till直到...时由when引导When“当……的时候”1.既可接时间段，也可接时间点2.从句中既可用延续性动词，又可用非延续性动词3.动作既可和主句的动作同时发生，又可在主句的动作之前或之后发生TomwaswatchingTVwhilehiswifewascooking.Theywentoutwhileitwasraining.while意为“当……时”“在……期间”，引导的时间状语从句中，主句和从句的动作在同一时期发生，常用延续性动词。由while引导HewaswritingasIwasreading.AsIgotonthebus,hegotoff.Thestudentsweretalkingastheteachercamein.Asthesunrosethefogdisappeared.Hesmiledashepassed.Helenheardthestoryasshewashed.由as引导As“当……时候”“随着……”既可接一个具体的时间点，又可接一段时间主句和从句中动作同时发生，或同时持续。可用一个进行时，一个一般时或都一般时。一个动作发生在另一个动作的持续过程中。由before和after引导before表示在…之前。after表示在...之后。Wewaitedtill(until)hecameback.Shedidn'tstopworkinguntileleveno'clock.Hedidn'tgotobeduntilhefinishedhishomework.Untilyougetback,Iwillsithere.Don'tleaveuntil/tillIarrive.由till和untill引导till表示主句动词是持续性动作，常用肯定式，表示“直到…为止”。亦可用until替换。until表示主句动词是瞬间动词，常用否定式，表示“直到…才”“在…以前不”,常用于从句句首表示强调。由since和assoonas引导assoonas引导的从句表示从句的动作一发生，主句的动作随即发生，常译为“一......就.......”。该句经常用一般现在时表示将来。since引导的时间状语从句，表示“自......以来”，主句用一般现在时或现在完成时，从句用一般过去时。地点状语从句where...地方wherever任何地方Welivedwheretheroadcrossestheriver.由where引导由wherever引导Makemarkswhereveryouhavequestions.原因状语从句because因为since既然，由于as由于IcamebacklateyesterdaybecauseIwasonduty.Hetookoffhiscoatbecauseitwastoohotintheroom.由because引导表示造成某种情况的直接原因，语气最强，常用来回答why提问的问句。由since引导表示众所周知的原因，意为”既然“，”由于“since从句通常位于主句之前，其语气比because弱，比as稍强。Itisdiffculttoknowwhattodo,aswearenothisparents.AsIdidn'tknowhowtodoit,Iaskedtheteacher.Asyouwereout,Ileftamessageforyou.由as引导意思为“由于”表示原因时，语气比because和since都弱since从句通常位于主句之前之后都可。目的状语从句sothat为的是，以便于inorderthat为的是，以便于Speaklondersothatthepeoplecanhearyou.Shedresseslikeanangelsothateveryonewillnoticeher.IshallwritedownyournumbersothatImaynotforgetit.Weworkedharderinorderthatthetaskmightbefinishedinaweek.IhurriedthroughmyworkinorderthatIcouldbeintimeforTV.由sothat和inorderthat引导目的状语从句中常用情态动词may(might),can(could),should等放在动词之前，从句往往放在主句之后。结果状语从句sothat以至于so...that如此......以至于such...that如此......以至于Wearrivedearlyinthemorning,sothatwecaughtthefirsttrain.Wemovedtothecountry,sothatwewereawayfromthenoisycity.Weturneduptheradio,sothateveryoneheardthenews.由sothat引导sothat前有逗号为结果状语从句。that有时候可省略由so......that引导Itwassocoldoutsidethatwehadtostopthegame.Hedrovesocarelesslythathealmostlosthislife.Hegotsolittlemoneythathisfamilyhadtoliveonwelfare.Hemadesomanymistakesthathefailedtheexamonceagain.Hewassoexcitedthathecouldn'tsayaword.ItissoeasyaquestionthatIcanworkitoutimmediately.so......that“如此以至于”有以下几个句型。

o+形容词＋that...2.so+副词＋that...3.so+many/few/much/little+相应形式的名词＋that...4.so十形容词十a/an十可数名词单数＋that.由such......that引导1.Itwassuchaterribledaythatnoneofuswouldfindanexcuseforgoingouttoplay.2.MissZhaoissuchakindteacherthatwealllikeher.3.Theyaresuchgoodchildrenthatwealllovethem.4.Thiswassuchfinemusicthatitwasworthlisteningtotwice.5.Wehadsuchbadweatherthatwecouldn'tgoout.such......that“如此以至于”有以下几个句型。

1.such+a/an+形容词十可数名词单数＋that...2.such十形容词十可数名词复数＋that...3.such十形容词十不可数名词＋that...条件状语从句if以至于unless如此......以至于as/solongas如此......以至于由if/unless/aslongas/solongas引导Weshallgotheretomorrowunlessitrains.(下面为同义句)Wewillgotheretomorrowifitdoesn'train.Aslongaswestudyhard,wearecertaintopasstheexam.FathertolemeifIworkedhard,hewouldbuymeacar.unless从句的谓语只能用肯定式。unless和if…not同义，unless是书面语，if…not是口语，通常二者可以换用。If引导的条件状语从句的时态：主将从现在条件句从句中，用一般现在时代替一般将来时，一般过去时代替过去将来时让步状语从句though/although虽然，尽管eventhought即使，纵使evenif即使，纵使as尽管，虽然，即使由though/although引导在句子中一般用了though/although就不能再用but，但可以与yet或still连用。though/although意义相同，用法基本一样，前者通俗，口语化，后者正式，多放主句的前面。Although/Thoughhewasoversixty,(yet)hebegantolearnFrench.由eventhough/evenif引导I'llgoevenif/thoughitrainstomorrow.evenif和eventhough的意思为“即使”“纵使”有退一步设想的意味,多用于书面语中。由as引导Childasheis,heknowsalot.Though/Althoughheisachild,heknowsalot.Oldasheis,hestudiesEnglisheveryday.Though/Althoughheisold,hestudiesEnglisheveryday.