会计学状语(zhuàngyǔ)从句状语(zhuàngyǔ)从句分类1.Themomenthecomes,Iwilltellhim.2.Iwon’tknowwhereheisuntilIgetaletterfromhim.3.Nosoonerhadshegonethanithappened.常用(chánɡyònɡ)连词：_____________:when,while,as,_____________:since_____________:before_____________:till,until,not…until_____________:assoonas,immediately,themoment,theminute,oncedirectly,theinstant,instantly,_____________:nosooner…than…,hardly/scarcely…when…_____________:each/everytime,nexttime…WhenhewaswatchingTV,heheardthedoorbellring.WhenIwasyoung,Ilikeddancing.WhenIgothome,hewashavingsupper.Whenhehasfinishedhiswork,hetakesashortrest.when不可被as,while替代(tìdài)的情况3)Whilehewaswalkinginthestreet,hemetTim.(分词(fēncí)短语）Ashebecamepoorer,hehadfewerfriends.Asthesunrose,thefogdispersed.Astimesgoes,it’sgettingcolder.Ashewalkedalongthestreet,hesanghappily.★当主句的是非持续动词,从句的谓语动词是持续性动词时,when,while,as可互相(hùxiāng)替换._____________Iwaswalkingdownthestreet,Inoticedapolicecarinfrontofthestore._______Johnarrived,Iwascookinglunch._______hegrewolder,helostinterestineverythingexceptgardening.Howcanhegetgoodgrades_______hewon’tstudy?Iwaswanderingthroughthestreet_________Icaughtsightofatailor’sshop.1）“还未…就…;不到…就…;”Wehadsailedfourdaysandfournightsbeforewesawland.我们航行(hángxíng)了4天4夜才看到陆地.Wehadn’trunamilebeforehefelttired.我们跑了还不到一英里他就累了.BeforeIcouldgetinaword,hehadmeasuredme.我还没来得及插话他就给我量好了尺寸.2）从句中谓语不用(bùyòng)否定式Beforetheyreachedthestation,thetrainhadgone.他们还没到火车站，火车已开走了。3）Itwillbe+一段时间+before…多久之后才…ItwillbehalfayearbeforeIcomeback.还得呆半年我才能回来.Itwon’tbelongbeforewemeetagain.没多长时间我们就会见面了.1）从句的谓语动词一般是非延续性动词,主句的谓语动词是延续性的或者是反复发生过的动作.Since从句的时态若是一般过去时,从句时态是现在(xiànzài)完成时或现在(xiànzài)完成进行时.IhavewrittenhomefourtimessinceIcamehere.自从我来到这儿,我给家写了四封信.Shehasbeenworkinginthisfactorysincesheleftschool.她离开学校以来就在这个工厂工作。2）Itis+一段时间+since从句时间从since从句的动作(dòngzuò)完成或状态结束时算起.Itisthreeyearssincethewarbrokeout.自战争爆发以来有三年了.ItisthreeyearssinceIstoppedsmokingacigar我不吸烟有三年了.ItisthreeyearssinceIbegantosmoke.1.Therese