英语必修五unit3过去分词作状语

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Learningaims:1.Beabletorewriteanadverbialclausewithpastparticiple2.BeabletousethepastparticipleusedasadverbialcorrectlyinexercisesGrammar:ThePastParticiplephraseusedasAdverbial过去分词短语作状语1.状语是用于说明地点、时间、原因、目的、结果、条件、方向、程度、方式和伴随状况等的一种句法成份2.一般是副词、介词词组、动词不定式、分词或者分词短语Theyweresittingonthefloor.ShespokeEnglishverywell.Theteacherscomeheretolistentomylesson.什么是状语(Adverbial)?1.WhilehewaswatchingTV,heheardaknockatthedoor.2.Ifthetownisseenfromthetopofthehill,itlooksmorebeautiful.Doyouknowwhichclauseitbelongsto?时间状语从句条件状语从句3.Asthewatchisusedforalongtime,itneedsrepairing.4.Theboywillbeblindinbotheyesunlessheistreatedontime.5.Thoughhehadseentoldmanytimeshecouldn’tunderstandit.原因状语从句条件状语从句让步状语从句Seenfromthespace,theearthlooksblue.Whentheearthisseenfromspace,theearthlooksblue.Keptinrefrigerator,thesevegetableswillremainfresh.Ifthesevegetablesarekeptinrefrigerator,thesevegetableswillremainfresh.二、探究与体验:请观察下列各组句子之间的变化关系,并学会模仿。总结:-ed分词短语在两个例句中分别作__________、___________.其逻辑主语为_____________且与分词之间为_________时间状语条件状语被动关系/动宾关系句子的主语表示原因表示伴随情况表示让步Deeplymoved,thechildrenbegantocry.Astheyweredeeplymoved,thechildrenbegantocry.Shewalkedoutofthehouse,followedbyherlittledaughter.Shewalkedoutofthehouse,andshewasfollowedbyherlittledaughter.Beatenbytheenemy,herefusedtoletoutthesecret.Althoughhewasbeatenbytheenemy,herefusedtoletoutthesecret.Observe•1.Seenfromspace,theearthlookslikeabigblueball.•2.Movedbythefilm,hestartedcrying.•3.Heated,waterchangesintosteam.•4.Defeatedagain,hedidn’tloseheart.•5.Theprofessorwentintothecourtyard,followedbyhiswife.WhenitisBecausehewasIfitisAlthoughhewasandhewasadverbial状语时间状语原因条件让步伴随状语•(Whenitis)seenfromspace,theearthlookslikeabigblueball.•(Becausehewas)movedbythefilm,hestartedcrying.•(Ifitis)heated,waterchangesintosteam.••(Althoughhewas)defeatedagain,hedidn’tloseheart.•Theprofessorwentintothecourtyard,(andhewas)followedbyhiswife.时间状语原因状语条件状语让步状语伴随状语-ed分词(短语)作状语时,也可在其前面加上连词________________________等,以便明确作何种状语。when,if,once,though,unless•Whenitisseenfromspace,theearthlookslikeabigblueball.•Becausehewasmovedbythefilm,hestartedcrying.•Ifitisheated,waterchangesintosteam.Whenseenfromspace,theearthlookslikeabigblueballBecausemovedbythefilm,hestartedcryingIfheated,waterchangesintosteam2.过去分词作状语表示_____/或______的动作,相当一个状语从句。3.过去分词作状语时其逻辑主语与主句的主语要保持一致。过去分词作状语被动完成summary1.过去分词在句子中可以作_____、______、_______、_______、________状语等。时间原因方式让步条件Absorbedindeepthought,hedidn'thearthesound.Surprisedatwhathadhappened,Tomdidn’tknowwhattodo.1,有些过去分词因来源于系表结构,作状语时不表被动而表主语的状态。lost(迷路);seated(坐);hidden(躲);lost/absorbedin(沉溺于);born(出身于);dressedin(穿着);2,由某些动词后面加-ed转化来的形容词也具有此用法。如:frightened,satisfied,tired,disappointed等。重难点辨析(一):不表被动的特殊情况重难点辨析(二):分词的独立主格结构当分词的逻辑主语和句子的主语不一致时,分词可以有自己的独立主语,二者构成独立主格结构。1.Afterourhomeworkwasdone,wewenthome.Ourhomeworkdone,wewenthome.2.Becauseherglassesisbroken,shecouldn’tseethewordsontheblackboard.Herglassesbroken,shecouldn’tseethewordsontheblackboard.分词作状语答题记忆口诀分词作状语,主要看主语。逗号前后两动作,共用一主语。主语找出后,再来判关系。主动-ing,被动用-ed。Havingbeendone表先后,千万要牢记。()1._______moreattention,thetreecouldhavegrownbetter.(90’全国)A.GivenB.TogiveC.GivingD.Havinggiven.()2.Thecomputercenter,________lastyear,isverypopularamongthestudentsinthisschool(93’全国)A.openB.openingC.havingopenedD.openedAD高考链接:()3.________inthought,healmostranintothecarinfrontofhim.(96’全国)A.LosingB.HavinglostC.LostD.ToloseC()4._______suchheavypollutionalready,itmaynowbetoolatetocleanuptheriver.(01’全国夏)A.HavingsufferedB.SufferingC.TosufferD.SufferedA()5.Theresearcherissodesignedthatonce________nothingcanbedonetochangeit.(02’全国)A.beginsB.havingbegunC.beginningD.begunD()6.________in1636,HarvardisoneofthemostfamousuniversitiesintheUnitedStates.(00’上海)A.BeingfoundedB.ItwasfoundedC.FoundedD.FoundingC()7.When________,themuseumwillbeopentothepublicnextyear.(02’上海春)A.completedB.completingC.beingcompletedD.tobecompletedA()8.Unless________tospeak,youshouldremainsilentattheconference.(03’上海春)A.invitedB.invitingC.beinginvitedD.havinginvitedA()9.Friendshipislikemoney:easiermadethan______.(03’北京)A.keptB.tobekeptC.keepingD.havingkeptA()10.________time,he’llmakeafirst-classtennisplayer.(03’北京)A.HavinggivenB.TogiveC.GivingD.GivenDHomework1.Finishtheexercise2onpage33intextbook

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