必修一英语unit5语法课件详解.ppt

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1、Unit5DiscoveringusefulstructuresNelsonMandela---amodernheroTheAttributiveClause(2)---where,when,why,prep.+which/whomSentencesfromthepassage1.ThetimewhenIfirstmetNelsonMandelawasaverydifficultperiodofmylife.2.TheschoolwhereIstudiedforonlytwoyearswasthreekilometersaway.3.…,untiltodaywehaver

2、eachedastagewherewehavealmostnorightsatall.4.TheplacesoutsidethetownswheretheyweresenttolivewerethepoorestpartsofSouthAfrica.Moresentenceswithattributiveclauses1.ThemineswhereIworkedwere9kmfrommyhome.2.ThereasonwhyIgotajobwasbecauseofmyhardwork.3.ThetimewhenIarrivedwaslateatnight.4.Thegov

3、ernmentbuildingwherewevotedwasverytall.5.ThedatewhenIjoinedtheANCYouthLeaguewasthe5thofAugust.关系副词when,where,why可代替的先行词是时间、地点或理由的名词，在从句中作状语。关系副词when,where,why的含义相当于“介词+which”结构，因此常常和“介词+which”结构交替使用。关系副词词形先行词在从句中的成分when(=in/on/atwhich)时间词时间状语where(=in/atwhich)地点词地点状语why(=forwhich)原因原因状语原句

4、重现：介词+关系代词Itwasin1952andMandelawastheblacklawyertowhomIwentforadvice.to+whomHewasgenerouswithhistime,forwhichIwasgrateful.for+whichThepartsoftowninwhichtheyhadtoliveweredecidedbywhitepeople.in+whichWewereputintoapositioninwhichwehadeithertoaccept…in+whichThereareoccasionswhen(=onwhich)one

5、mustyield.任何人都有不得不屈服的时候。Beijingistheplacewhere(=inwhich)Iwasborn.北京是我的出生地。Isthisthereasonwhy(=forwhich)herefusedouroffer?这就是他拒绝我们帮助他的理由吗？Thiswasthemomentwhen/atwhichSpielberg’scareerreallytookoff.Istillrememberthedaywhen/onwhichIfirstcametothisschool.Thisistheplacewhere/inwhichwelivedteny

6、earsago.Thisisthereasonwhy/forwhichIamagainstyourplan.Iknowthereasonwhy/forwhichshewasangry.判断关系代词与关系副词方法一：用关系代词还是关系副词完全取决于从句中的谓语动词。及物动词后面无宾语，就必须要求用关系代词；而不及物动词则要求用关系副词。例如：ThisisthemountainvillagewhereIstayedlastyear.I'llneverforgetthedayswhenIworkedwithyoutogether.方法二：准确判断先行词在定语从句中的成分(主、谓

7、、宾、定、状)，也能正确选择出关系代词/关系副词。1.Isthismuseum___youvisitedafewdaysage?A.whereB.thatC.onwhichD.theone2.Isthisthemuseum____theexhibitionwasheld?A.whereB.thatC.onwhichD.theoneDA关系词的选择依据在从句中所做的成分，先行词在从句中做主、定、宾语时，选择关系代词(who,whom,that,which,whose)；先行词在从句中做状语时，应选择关系副词(where地点状语