时间状语从句

AdverbialClauses（状语从句）1.AdverbialClausesofTime:（时间状语从句）DifferentKindsofAdverbialClauses:2.AdverbialClausesofReason(原因状语从句）3.AdverbialClausesofConditions(条件状语从句）4.AdverbialClausesofPlace(地点状语从句）5.AdverbialClausesofPurpose(目的状语从句）6.AdverbialClausesofResult（结果状语从句）7.AdverbialClausesofComparison（比较）8.AdverbialClausesofConcession(让步）9.AdverbClausesofManner(方式状语从句)I.时间状语从句:when,while,as,after,before,since,until/till,assoonas,hardly/scarcely…when,nosooner…than,everytime,eachtime,themoment,theminute,thesecond,bythetime,immediately….一、when/while/as•When+(1)延续性动词e.g.WhenIwasyoung,Ilikeddancing.•(2)瞬间性动词(不能用while）e.g.Itwassnowingwhenwegottotheairport．•(3)表示“这时”“正在这时候”e.g.Iwaswalkingonthestreetwhensuddenlysomeonepattedmeontheshoulder.•(4)主从句动作先后发生(不能用while）e.g.WhenIgottothecinema,thefilmhadalreadybegun.•While+(1)延续性动词e.g.WhileIslept,athiefbrokein.•(2)表示两种情况对比，“然而”“而”e.g.Theyweresurprisedthatachildshouldworkouttheproblemwhiletheythemselvescouldn’t.(3)表示“趁着…时候”(强调主从句动作同时发生).e.g.Strikewhiletheironishot.•As侧重主从句动作同时发生，常译为•①“一边…一边….”e.g.Thestudentstooknotesastheylistened.)•②“随着”e.g.Astimegoesby,wehavegainedmoreandmoreknowledge.注意若主句谓语是短暂性动作，从句用延续性动词的进行时态表示在一段时间内正在进行的动作时，三者可以互换！When/While/AswewerehavinganEnglishclass,astrangerbrokein.Practice•___________lwaswalkingdownthestreet，Isawsomepolicemen．•_______theyheardthenews，theyweresurprised．•Theyshoutedslogans____theypassedthesquare.When/While/AsWhenas二、before常见句型:Itwillbe+一段时间+before…….Itwas+一段时间+before…….Itwon’tbelongbefore……Itwasn’tlongbefore……肯定句意为“多长时间后才…”否定句意为“用不了多长时间就…”•Itwillbealongtimebeforewefinishthisdictionary.我们需要很长的时间才把这部词典编译完。•Itwasnotlongbeforethethiefwascaught.小偷不久就被抓住了。beforeItwillbehalfayearbeforeIcomeback.Itwon’tbehalfayearbeforewemeetagain.Wesailedfourdaysandnightsbeforewesawtheland.Wehadn’trunamilebeforehefelttired.肯定句“才”否定句“就”itwillbe+一段时间before......多久之后才...itwon’tbe+一段时间before......不久就....1.2004福建卷Scientistssayitmaybefiveorsixyears________itispossibletotestthismedicineonhumanpatients.2.2007江西卷Hewastoldthatitwouldbeatleastthreemonths_________hecouldrecoverandreturntowork.3.2000NMETSomeonecalledmeinthemiddleofthenight,buttheyhungup_________Icouldanswerthephone.beforebeforebefore三、after•例：•1、HecametoseemeafterIarrived.•2、Immediatelyafterhewashurt,hewastakentothehospital.•注：before和after引导的状语从句，主从句发生的动作先后顺序很明确，因此after从句中的谓语动词常常使用一般过去时来代替过去完成时。•Afterhe(had)finishedhishomework,Tombegantoplaycomputergames.三Since注意since引导的时间状语从句，主句常用完成时，从句常用一般过去时。Hehaswrittentomefrequentlysincehewasill.句型Itis/hasbeen+一段时间+since，如果从句是延续性动词，,用一般过去时和现在完成时不同。Itis/hasbeentwoyearssincehewasinthearmy.他离开军队两年了。Itis/hasbeentwoyearssincehehasbeeninthearmy.他当兵两年了。1.---Howlong____theshop_____open?---Since1992.(=Since15yearsago)2.----Sincewhen________thecountry_____opentointernationaltrade?----1978,Isuppose.2007陕西卷3._______5years_________hegraduatedfromcollege._______2years_____hesmoked.hasbeenhasbeenItissinceItissincePractice•itis+时间+since•before•when•that•Itisfiveyears______hefinishedhisresearch.•Itwasfiveyears______hefinishedhisresearch.•Itwasfiveyearslater_______hefinishedhisresearch.•Itwas5o’clock_____hegothome.•Itwasat5o’clock_____hegothome.whenthatsincebeforethat四、名词词组引导的状语从句一些表示时间的名词词组,如：themoment,eachtime,everytime,thefirsttime,theyear等,也用于引导时间状语从句，这时它们担当着连接词的功能。•______________hewenttoShanghai,hepaidavisittohisformerteacher．•A.ForthefirsttimeB.Thefirsttime•___________lsawhim,Ithoughtofhisfather．•A.ThemomentB.AtthemomentThefirsttimeThemomentEachtimehecame,hewouldbringusalotofflowers．---DidyouremembertogiveMarythemoneyyouowedher?----Yes.Igaveittoher__________________________________________Isawher.2000高考themomenttheminutetheinstantPractice•1.WheneverytimeIwasintrouble,hewouldcometohelpme.•2.Atnexttimeyoucome,dorememberbringyoursonhere.•3.ForthefirsttimeImetthegirl,Ifeltinlovewithher.•4.Youarewelcometocomebackatanytimeyouwantto.•5.AtthelasttimeshesawJames,hewaslyinginbed.•语法规则：•everytime,eachtime,nexttime,thefirsttime,anytime等名词短语引导状语从句不加介词。关连词组•hardly/scarcely…when•nosooner…than•assoonas三种句子结构表示“一……就……”。•注意：时态assoonas以一般时态代替将来时态nosooner,hardly,scarcely后的句子用过去完成时，than/when后的句子用一般过去时。倒装当hardly或nosooner位于句首时，要倒装。五、一…就…我一到达上海就给你打电话。时态要求：改错:Ihardlygothomewhenitbegantorain•时态要求：IwillcallyouassoonasIarriveinShanghai.ˆhad以一般现在时代替将来时主句用haddone,从句用didnosooner...than,hardly...when,scarcely...when•Hehadhardlyarrivedwhenitbegantosnow．•Hardly_____________whenitbegantosnow．•Wehadhardlywalkedintothehallwhenthelecturestarted．•Hardly_______walkedintothehallwhenthelecturestarted．•_______________shegonetosleepthanthetelephonerangoncemore．•_______________theboyreachedthedoorthanhecameback．hadhearrivedhadweNosoonerhadNosoonerhad倒装六、until/till•until/till“直到……止”(肯定句，主句是延续性动词);I’llwaiteuntil/tilltheconcertisover(till不能放在句首，但是until了的位置不受限制)•not…until“直到……才”•hedidn’tleavetheofficeuntilhefinishedthetask.注意：倒装句、强调句，及位于句首时，只能用until。NotuntilIreturneddidshefinishherhomework.ItwasnotuntilIreturnedhomethatshefinishedherhomework.1．Themeetingdidn’tstart___everyonewasthere．A.becauseB.untilC.whyD.if2．Thebo