最新状语从句课件PPT教学课件.ppt 30页

' 状语从句考查特点能力要求用法归纳时间状语从句条件状语从句原因状语从句结果状语从句让步状语从句省略现象地点状语从句目的状语从句方式状语从句比较状语从句连词选择状语从句改非谓语 三　状语从句的定义、功能、分类定义：在复合句中作状语的从句功能：状语从句在主从复合句中修饰主句中的动词，形容词或副词，或整个主句分类：按意义可分为时间、地点、原因、目的、结果、条件、方式、比较、让步等状语从句。从句的位置放在句首，也可放在句末。放在句首时，从句后面常用一个逗号，放在句末时，从句前一般不用逗号。 1.时间状语从句引导时间状语从句的从属连词1.基本类：when、while、as、since、before、after、till、until,assoonas,etc.2.名词类（由名词词组充当引导词）：themoment,theminute,thesecond,theinstant,etc.(一…就…);everytime,eachtime,thelasttime,thefirsttime,etc.Eg:Don"ttrustthsoewholeavetheirfriendsthemomenttheygetintodifficulty! 3.副词类（由副词充当引导词）：immediately,directly,instantly,etc.(一...就...)4.句型类：nosooner…than…,hardly/scarcely…when…,etc.(一…就…)e.g.IwillgiveyouananswerimmediatelyIfinishmywork.e.g.Scarcelyhadhegonewhensheappeared.注意:用于句首时应引起部分倒装,且前部分一般用过去完成时 while用法的归纳１意为“然而，却”，表对比Helikesfootballwhilehisbrotherlikesbasketball.2.引导时间状语从句Whilehewasdoinghishomework,hismothercamein.３.引导让步状语从句，表“虽然，尽管”，置于句首WhileIadmithisgoodpoints,Icanseehisshortcomings.４．引导条件状语从句，表“只要”I’lldoeverythingforyouwhileyouarehappy. 1(1998上海)Ithoughtherniceandhonest_____Imether.AfirsttimeB.forthefirsttimeC.thefirsttimeD.bythefirsttime2Hehurriedoutoftheroom____themeetingwasover.AthemomentB.amomentagoC.afteraminuteD.minuteafter4.He_____tothelabthanhesetouttodotheexperiment.[‘99上海]A．hasnosoonergotB．nosoonergotC．willnosoonergetD．hadnosoonergot3His father began to work ______his childhood. A. since B. before C. as early as D. while 5----Whatwasthepartylike?----Wonderful.It’syears___Ienjoyedmyselfsomuch.A.afterB.beforeC.whenD.since6.Scientists say it may be five or ten years _______it is possible to test this medicine on human patients. A. since B. before C. after D. when7．It_____longbeforewe_____theresultoftheexperiment.[‘02上海春招]A．willnotbe;willknowB．is;willknowC．willnotbe;knowD．is;know 2.地点状语从句引导词：where，whereverI’llgowhereverhegoes.I’llgowherehewent.---Canyoutellme____youarefrom?---Itisnotimportant_____Icamefrom.A.when;wheneverB.where;whereverC.theplace;whereD.wherever;where我要去他去的地方.他去哪我就去哪. 1.---Wheredoyouplantowork?---I’vemadeupmymindtogo_____I’mmostneeded.A.totheplaceB.towhichC.thatD.where2.Iwillgotoacountryforaholiday____therearealotofflowersandtrees.A.intheplaceB.whereC.whichD.wherever辨析:Gobackwhereyoucamefrom.Gobacktothevillagewhereyoucamefrom.Pleasetellwhereyouare。3.Thisis__________ourproblemlies.Where 3.原因状语从句1.在强调句中强调原因状语和表语从句，只能用because引导，不可用as，for或since.Itwas________hewasillthathedidn’tgowithus.It’s_________heistoolazy.2.since表示“既然”，通常放主句前._______wehavenomoney,wecan’tbuythatvase.becausebecauseSincebecause,as,since/nowthat(既然),for，consideringthat(考虑到,既然)3.as的从句通常放在句首，说明次要原因，_______hedidn"tknowmuchEnglish,helookedupthewordinthedictionary.As4.for表示推断的理由，是对前面分句的内容加以解释或者说明，放主句之后.Itrainedlastnight,_____thegroundiswetthismorning.for 1____you"vegotachance,youmightaswellmakefulluseofit.(NMET99)Nowthat  B.AfterC.Although  D.Assoon as2.Amancannotsmilelikeachild,____achildsmileswithhiseyes,whileamansmileswithhislipsalone.(2006湖南)A.soB.butC.andD.for 4.结果状语从句用so,such填空：Hemade_____anexcellentspeechthateveryoneadmiredhim.Sheis____lovelyagirlthateveryoneinherclasslikesher.Hehas_____poorfurniturethatotherscannotfindaplacetosit.suchsosuch注：为了强调，当so或者such置于句首时，主句需要用部分倒装。Suchanexcellentspeechdidhemakethateveryoneadmiredhim. 5.条件状语从句1.引导词:if,unless,aslongas(=solongas只要),incase(that)(以防万一;如果),onconditionthat(条件是,在…的条件下),ifonly(要是...多好),onlyif(只要),supposing/suppose(假设)that，provided/providing（that）etc.1.Supposing/Supposeheisabsent,whatshallwedo?假使他不在，我们将怎么办呢？2.Provided/Providing(that)youfinishyourassignmentbythisevening,youcanhavetomorrowoff.如果你到今晚把手头上的任务做完，你明天就可以休息。3.Johnmayphonetonight．Idon‘twanttogooutincasehephones. 1．Ishouldstayinthehotelallday_____thereisnewsofthemissingchild．(NMET2000上海春季）A．incase   B．nomatterC．inanycase D．evensince3．Idon‘tthinkI’llneedanymoneybutI‘llbringsome____．（NMET2000）A．atlast   B．incase   C．onceagain  D．intimeIcantellyouthetruth_______youpromisetokeepasecret.A.incaseB.onconditionthatC.sothatD.while 6让步状语从句由though/although,as(虽然尽管),while，evenif/eventhough,wh-ever,nomatterwh-,whether(无论）引导.________mostofthepeopleagreed,somewerenotwillingtoaccept.Wewouldn’tloseheart________weshouldfailtentimes.Althoughevenif注：although与though两者意思相同，一般可互换，都可以与yet，still或nevertheless连用，但是不能和but连用。对比Thoughhehasalotofmoney,butheisuhappy.Thoughhehasalotofmoney,yetheisunhappy. 1__________,hisideawasacceptedbyallthepeopleatthemeeting.(2007重庆)StrangeasmightitsoundB.AsitmightsoundstrangeAsstrangeitmightsoundD.Strangeasitmightsound2.____tomorrow,ourshipwillsetsailforMacao.(2007上海春)HowevertheweatherislikeB.HoweveristheweatherlikeC.WhateveristheweatherlikeD.Whatevertheweatherislike 3.____________,hetalksalotabouthisfavouritesingersafterclass.(2005重庆)A.AquietstudentashemaybeB.QuietstudentashemaybeC.BeaquietstudentashemayD.Quietashemaybeastudent4.________hehaslimitedtechnicalknowledge,theoldworkerhasalotofexperience.(2006全国1)SinceB.UnlessC.AsD.Although5._________,Ihavetoputitawayandfocusmyattentiononstudythisweek.(2004上海春)HoweverthestoryisamusingB.NomatteramusingthestoryisC.HoweveramusingthestoryisD.Nomatterhowthestoryisamusing 6._______Idon’tlikeart,Ifindhisworkimpressive.(2007山东)AsB.SinceC.IfD.While7---Dad,I’vefinishedmyassignment.---Good,and______youplayorwatchTV,youmustn’tdisturbme.(2003上海)WheneverB.whetherC.whateverD.nomatter8._______,Carolidacouldn’tgetthedooropen.(2005广东)TryasshemightB.AsshemighttryC.ShemightastryD.Mightsheastry while用法的归纳１意为“然而，却”，表对比Helikesfootballwhilehisbrotherlikesbasketball.2.引导时间状语从句Whilehewasdoinghishomework,hismothercamein.３.引导让步状语从句，表“虽然，尽管”，置于句首WhileIadmithisgoodpoints,Icanseehisshortcomings.４．引导条件状语从句，表“只要”I’lldoeverythingforyouwhileyouarehappy. 7目的状语从句引导词：so，sothat，inorderthat,forfearthat(以免,以防,惟恐)等。其谓语动词常与情态动词can，could，may，might，should，would连用。1.I‘dliketoarrive20minutesearly_____Icanhavetimeforacupoftea.A.assoonasB.asaresultC.incaseD.sothat2TheShanghaiesearemakinggreateffortstobeautifythecity____moreoverseascompanieswillcome.A.inorderthatB.soastoC.solongasD.onconditionthat 8方式状语从句引导词:as(象….一样,正如),asif/asthough(好象,宛如)Doasyouare,oryou"llbefired.叫你做什么你就做什么，否则你就会被解雇。TheoldladytreatstheboyasifhewereherownsonLeavethetableasitis.Heis,asitwere,awalkingdictionary.事实上,按现在的样子(插入语)仿佛,好象，可以说是Theskyiscovered，asitwere，withablackcurtain. as用法的归纳１．可引导定语从句２．可引导时间状语从句,表“一边…,一边…”３．可引导原因状语从句,表“因为”Asisknowntoall,Chinaisagreatcountry.Shecriedasshegotoffthebus.Asitisraining，weshallnotgotothepark４．可引导让步状语从句,表“虽然,尽管”Surroundedastheywerebytheenemy,theymanagedtogetout.５．可引导方式状语从句,表“按照”Doasyouaretoldto.６．可引导比较状语从句,表“和…一样…”Heanswersasquicklyashissisterdoes. 9比较状语从句引导词:as….as(和…一样),notas/so…as(不如),than(比),themore…themore…(越…越…).ScientistsgenerallyagreethattheEarth’sclimatewillwarmupoverthenext50to100years____ithaswarmedinthe20,000yearssincetheIceAge.A.solongasB.asmuchasC.aslongasD.aswellas2.Itisgenerallybelievedthatteachingis____itisascience.A.asartmuchasB.muchanartasC.asanartmuchasD.asmuchanartas as/though(可倒可不倒）引导让步状语从句时从句部分语序要部分倒装。其结构为：Youngasheis,hecanreadandwriteinseveralforeignlanguages.注意：Childashewas,hehadtosupportthefamily.（表语名词提前并常省去冠词）1.表语+as+主语＋谓语，+主句2.动词+as+主语+情态动词，+主句Searchastheywouldhereandthere,theycouldfindnothingintheroom. 注：状语从句中的省略现象Once________seen,thefilmcanneverbeforgotten.If________invited,Iwillgototheparty.Shestoodattheschoolgateasif________waitingforsomeone.(itis)(Iam)(shewas)When______necessary,IwillbuyaTVset.If______possible,you’dbettercometomorrow.(itis)(itis) 1---IhearJohnsonwasbadlyinjuredintheaccident.---____,let’sgoandseehim.A.What’smoreB.IfsoC.WherepossibleD.Whennecessary2Abeamoflightwillnotbendroundunless____todosowiththehelpofareflectingdevice.A.havingbeenmadeB.beingmademadeD.youmake3Carefulsurveyshaveindicatedthatasmanyas50percentpatientsdonottakedrugs____directed.A.likeB.soC.whichD.asAs引导方式状语从句即as(theyare)directed. 2.状语从句与非谓语动词之间的替换 1.Whenshesawthejewels,shejumpedwithjoy.Seeingthejewels,shejumpedwithjoy.2.Ashewasill,hewenthome.Beingill,hewenthome.3.Astheyareledbythepartythepeoplehavegreatlyimprovedtheirlivingconditions.Ledbytheparty,----------4.Ashewasfilledwithnewideas,theyoungmaninventedmanykindsofmodernmachines.Filledwithnewideas,…….5.Ashedidn’tknowwhattodo,heaskedmeforhelp.Notknowingwhattodo,------6.Theparklooksverybeautifulwhenitisseenfromthehill.Seenfromthehill,theparklooksverybeautiful. 结束语谢谢大家聆听！！！30'