九大状语从句状语从句是副词性从句，它在句子中担任状语，修饰主句的动词、形容词、副词或句子。根据修饰的方面，状语从句可以分为以下九种。种类从属连词例句说明时间状语从句whenWhenIcameintotheroom,hewaswritingaletter.when指的是“当…时”。※Iwaswalkingalongthestreetwhen(这时)suddenlyTompattedmeontheshoulder.when意为“这时”或“在那时”,这时when分句一般位于句末。whileWhileitwasraining,theywentout.Istayedwhilehewasaway.※Allofusareworkinghardwhileheissleeping.(并列连词“然而”)while指“在某一段时间里”，“在…期间”，while引导的动作必须是持续性的。asHehurriedhome,lookingbehindashewent.他赶快回家，边走边向后看。As(随着)timegoesby,IlikeChinabetter.as（一边...一边）引导持续性动作，强调主句和从句的动作同时发生；“随着”。beforeBeapupilbeforeyoubecomeateacher.IfinishedmytaskbeforeIwenthome.before译为“在…之前,才,就”afterHearrivedafterthegamestarted.在…之后tilluntilWewaitedtill(until)hecameback.直到Shedidn’tstopworkinguntileleveno’clock.直到…才Untilhehadpassedoutofsight,shestoodthere.她站在那里看着，直到看不见他的身影。如主句动词是持续性动作，常用肯定式，表示“直到…为止”；如主句动词是瞬间动词，要用否定式not…until表示“直…才”,从句放在句首表示强调，一般用untilsince自从…以来GreatchangeshavetakenplaceinChinasince自从1978.主句动词应为持续性的，从句动词为瞬间的。状语从句在主句之前时一般用逗号与主句分开，如从句在主句之后则不必用标点符号。assoonasAssoonasIarriveinShanghai,I’llwritetoyou.“一…就”地点状语从句wherewhereverWherethereiswaterthereislife.Whereveryougo,youmustobeythelaw.无where与wherever意义基本相同，但后者语气较强，多用于书面语。原因状语从句becauseIwaslateyesterdaybecauseIwasill.because用来回答why的问题，语气最强一般放在主句之后sinceSince(既然)everyoneishere,let’sbeginourmeeting.since表示既然或全已知的理由,稍加分析即可表明的原因,多放句首asAs（由于）hedidn’tknowmuchEnglish,helookedupthewordinthedictionary.从句常放在句首，说明次要的原因，主句说明结果，常用于口语中。forItmusthaverainedlastnight,forthegroundisstillwet.for连接的是并列句。目的状语从句sothatinorderthat①IshallwritedownyourtelephonenumbersothatImaynotforget.②We’lltellyouthetruthsothatyoucanjudge（判断）foryourself.③Theyworkedharderthanusualinorderthattheycouldfinishtheworkaheadoftime.目的状语从句中常用情态动词may(might)can(could),should放在动词之前，从句往往放在主句之后，主从句之间不用任何标点符号。注意sothat和inorderthat的转换。结果状语从句,sothatsoso…that①Weturneduptheradio,sothat（结果）everyoneheardthenews.②Hewassoexcitedthathecouldn’tsayaword.“以致”sothat前有逗号为结果状语从句。so…that的so后面跟形容词或副词，可以与too...to或enough…to转换such…that①Hegavesuchimportantreasonsthathewasexcused谅解.②Itissuchaninterestingnovelthatallofuswanttoreadit.Itissointerestinganovelthatallofuswanttoreadit.such…that的such后面跟名词，如果名词是单数就要用sucha/an…that还可以转换用so…that，语气较强条件状语从句ifunlessas/solongas①Difficultiesarenothingif如果wearenotafraidofthem.②Weshallgotheretomorrowunless除非itrains.=Weshallgotheretomorrowifitdoesn’train.Solongasyouworkhard,youwillsucceed.只要努力，你就会成功。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。条件状语从句中的谓语动词的时态一般要用现在时或过去时代替一般将来时或过去将来时。方式状语从句asasif／thoughDrawacatas按照Itaughtyouyesterday.Doas按照youaretoldto.Shelooksasif好像sheisill.Heactedasif(t...
