初中定语从句课堂讲解课件

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1、TheAttributiveClause定语从句1.Themanisaworker.2.Themanisspeakingatthemeeting.合并句子:Themanwhoisspeakingatthemeetingisaworker.定语从句概念:在复合句中修饰名词或代词的句子.(Attributiveclause)Maryisabeautifulgirl.Maryisagirlwhohaslonghair.形容词作定语句子作定语,修饰girl,叫做定语从句Maryisagirl.Maryhaslongha

2、ir.合并为一个句子Maryisagirlwhohaslonghair.先行词关系词定语从句Maryisagirlwhohaslonghair.关系代词关系副词which,who,whom,whose,thatWhere,when关系词作用1.代替先行词;2.２．它还在定语从句中担任一定的成分;3.同时连接先行词与它引导的定语从句。（把主句和从句连起来）关系代词在定语从句中代替主句中的先行词，所以它在一般情况下都跟在先行词之后，而且它的人称、数必须和先行词一致。关系词判断步骤:首先，要看先行词。如果先行词是指人

3、,关系代词可用who,that,whom,whose。如果先行词指物,关系代词可用which或that;然后，要确定关系词在从句中的成分。请看下表先行词主格宾格所有格人who,thatwho(m),thatwhose物which,thatwhich,thatwhose,ofwhich最后，定语从句谓语动词和先行词一致.注:定语从句的时态不受主句的限制。Thewomanwho/thatspokeatthemeetingyesterdayismymother.(主句)Thewomanismymother.(叙述客观

4、事实用一般现在时)(从句)Thewoman(who/that)spokeatthemeetingyesterday.(句中yesterday表示过去时间)定语从句的用法:当先行词是物时,用which或that引导.Thesearethetreeswhichwereplantedlastyear.当先行词是人时,用who,whom,whose,that引导.who,whom,whose,that用法区别.who作定语从句的主语或宾语.Themanwhoisspeakingatthemeetingisaworker

5、.Themanisaworker.Themanisspeakingatthemeeting.分解作主语thetallthestrongthecleverboyTheboyisTom.TheboywhoistallisTom.TheboywhoisstrongisTomTheboywhoiscleverisTomTheboyisTom.Theboyissmiling.TheboyisTom.Theboyhasaroundface.TheboywhoissmilingisTom.(主语)Theboywhohas

6、aroundfaceisTom.TheboyisTom.Hesitsinfrontofme.TheboywhositsinfrontofmeisTom.Whom作定语从句的宾语,在口语和非正式文体中常用who代替，可以省略.Thewomanwhom/whotheywantedtovisitisateacher.Thewomanisateacher.Theywantedtovisitthewoman.分解作宾语Themaniskind.Everyonelikeshim.Theman(whom)everyone

7、likesiskind.(宾语)Thewomangotthejob.Wesawheronthestreet.Thewoman(whom)wesawonthestreetgotthejob.Theteacherwillgiveusatalk.Wemettheteacheryesterday.Theteacher(whom)wemetyesterdaywillgiveusatalk.关系代词1.who指人,作主语或宾语(作宾语可省略）Theman(who)Italkedwithisourteacher.Aper

8、sonwhostealsthingsiscalledathief.2.whom指人,作宾语(作宾语可省略,如介词提前则不能省)Theman(whom/who)ItalkedtoisMr.Li.ThemantowhomItalkedisMr.Li.whose作定语从句的定语.Iknowthegirlwhosemotherisateacher.分解Iknowthegirl.Thegirl’