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时间状语从句原因状语从句地点状语从句目的状语从句结果状语从句条件状语从句让步状语从句比较状语从句方式状语从句引导词、词组whenwheneveraswhilebeforeafteruntil(till)sinceassoonaseverytimenexttimethefirst/…timethemomenttheminuteinstantlyimmediatelydirectly(一…就…)1.as,while,when的区别as:1）当；2）一边…一边；3）随着＊某事一发生，另一事立即发生＊两个动作同时发生e.g.Asthecaptainpassedme,Iaskedhimwhethertherewasanyhopeofsavingtheship.Asthedaywenton,theweathergotworse.while:持续性动词／进行时＊一般或现在情况＊将来情况－V一般现在时或现在进行时＊过去情况e.g.Nevergetonoroffabuswhileitisinmotion.e.g.—I’mgoingtothepostoffice.--Whileyouarethere,canyougetsomestampsforme?e.g.IhurtmyshouldwhileIwasdoinggym.when:持续性／非持续性动词都可＊当．．．时＊正在．．．忽然e.g.Areyougoingtobeasailorwhenyouleaveschool?ChenWeiandSusanwerewalkingdownthestreetwhentheysawanaccident.Iwasabouttogoswimmingwhenourguidestoppedme.＊尽管／虽然／鉴于／如果／届时／在那时…e.g.Hewalkswhenhemighttakeataxi.TheQueenwillvisitthetowninMay,whenshewillopenthenewhospital.Howcanyouhopeformercyyourselfwhenyoushownone?HowcouldIliveinLosAngeleswhenallmyfavoritepeoplelivehere?虽然届时如果既然1.when/while/as“当….时候”1._______hebrokein,wewerehavinganEnglishclass.2.______________________wewerehavinganEnglishclass,astrangerbrokein.3.Thelittlechildrensanghappily______theywalkedalong.★高考热点:1.2004北京春Wewereswimminginthelake________thestormstarted.WhenWhen/While/Asaswhen2.__________________He__________________(正要告诉我)__________________thesecret________someonepattedhimontheshoulder.2002上海3.1998NMETWhydoyouwantanewjob________youhavegotsuchagoodonealready?4.1996NMETTheyweresurprisedthatachildshouldworkouttheproblem_______theythemselvescouldn’t.wasabouttotellmewasjusttellingwasonthepointoftellingwhenwhilewhen既然5.2004江苏卷________Iacceptthatheisnotperfect,Idoactuallyliketheperson.6.Strike_________theironishot.7._________timegoesby,wehavegainedmoreandmoreknowledge.小结:当….的时候当…的时候when★这时,正在这时while★而,然而★既然★趁着…时候当….的时候as一边….一边….★随着….WhilewhileAs2.一…就…引导的时间状语从句:1.---DidyouremembertogiveMarythemoneyyouowedher?----Yes.Igaveittoher________________________________________________________(一….就…)____________________________Isawher.2000高考assoonasthemomenttheminutetheinstantimmediatelydirectly3.till/until“直到….为止”1.MotherwaitedforTomtill/untilfarintothenight.(持续性动词)2.Tomdidn’tgetbacktill/untileverythingwasallright.(短暂性动词)★=_____________everythingwasallright__________________.★=________________everythingwasallright______Tomgotback.2.--DidLindaseethetrafficaccident?---__________hadshegone_____itoccurred.(=________hadshegone____ithappened.)NosoonerthanHardlywhenNotuntildidTomgetbackItwasnotuntilthat4.since“自从”1.---Howlong____theshop_____open?---Since1992.(=Since15yearsago)2.----Sincewhen________thecountry_____opentointernationaltrade?----1978,Isuppose.2007陕西卷3._______5years_________hegraduatedfromcollege._______2years_____hesmoked.hasbeenhasbeenItissinceItissince5.观察下列句子:1.HewasimpressedthefirsttimeheattendedProfessor’slecture.2.EverytimeIwenttoseehim,hewaslostinplayingcomputergames.3.IwillpayavisittoyounexttimeIgotoShanghaionbusiness.4.Bythetimehewas14yearsold,hehadlearnedadvancemathematics.6.before的考点:1.2004福建卷Scientistssayitmaybefiveorsixyears________itispossibletotestthismedicineonhumanpatients.2.2007江西卷Hewastoldthatitwouldbeatleastthreemonths_________hecouldrecoverandreturntowork.beforebefore3.2000NMETSomeonecalledmeinthemiddleofthenight,buttheyhungup_________Icouldanswerthephone.小结:Itwillbe+一段时间+before…….Itwas+一段时间+before…….Itwon’tbelongbefore……Itwasn’tlongbefore……beforebecausesinceasfornowthatconsidering(that)seeing(that)既然考虑到／鉴于鉴于／由于／既然／因为because,since,as,forbecause—直接原因，非推断。语气最强。回答why。since–通常放句首。译为“既然”。as–不谈自明的原因，语气最弱。for–放句中，引导后半句表原因。e.g.1）Idancedinfrontofthepeople________Ilikedit.2）You’dbetterwearstrongshoes______we’lldoalotofwalking.3）_________hewasnotwell,Idecidedtogowithouthim.4）_________everybodyknowaboutit,Idon’twanttotalkanymore.5）Ihadtotalktohim,________Ihadnosecondchoice.becauseasAsSincefor1.1994NMETMotherisworried_________littleAliceisill,especially_____FatherwasawayinFrance.2.1999上海________everybodyknowsaboutit,Idon’twanttotalkanymore.3.Itmusthaverainedlastnight,________thegroundiswet.SinceNowthatforbecauseas1.1997NMETAfterthewar,anewschoolbuildingwasputupwheretherehadoncebeenatheatre.2.2006四川卷Thedoctoradvisedmetolivewheretheairisfresher.3.2006江西卷TheRedCrossisexpectedtosendhelpwhereverthereishumansuffering.where/wherever你爱坐哪儿都可以。Sit________youlike.把它放在你看得见的地方。Keepit_______youcanseeit.他住在一个气候温暖的地方。whereverwhereHeliveswheretheclimateismild.教堂建在曾一度是罗马神庙的地方。ThechurchwasbuiltwheretherehadoncebeenaRomantemple.下次我希望你去我告诉你去的地方。NexttimeIhopeyou’llgowhereItellyouto.thatsothatinorderthatincaseforfearthat(以免／以防）1.2003春招Sallyworkedlateintheeveningtofinishherreport___________/________________herbosscouldreaditearlynextmorning.2.2002NMETJohnshuteverybodyoutofthekitchen__________/______________hecouldpreparehisgreatsurprisefortheparty.sothatinorderthatsothatinorderthat注意：sothat/inorderthat引导目的状语从句，从句中经常用：can/could;may/might+动词原形3.2000NMETJohnmayphonetonight.Idon’twanttogoout___________hephones.4.2005NMETIalwaysta