英语：复习课件——定语从句.ppt

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1、TheAttributiveClause定语从句在复合句中，修饰某一名词或代词的从句叫做定语从句,定语从句有时也可以修饰一个句子。被定语从句所修饰的词叫“先行词”。形式：先行词+关系词+从句ThisisthebookthatIwant.定义关系词关系代词:that,which,who,whom,whose,as关系副词:when,where,why关系词关系词的作用：1、连接主句和从句；2、替代先行词；3、在从句中充当成分。指人指物主语宾语thatwhichwhowhom关系代词的用法关系代词在从句中可以：何时可以省略？指人指物主语宾语thatwhichwhowhom关系

2、代词的用法√√√√√√√√√√√关系代词在从句中可以：何时可以省略？做宾语时可以省略√关系代词的用法练习1.Theeggswerenotfresh.Iboughtthemyesterday.2.Thefriendwasnothungry.Hecametosupperlastnight.3.Helikesthecheese.Itcomesfromhisparent’sfarm.4.Thenoodlesweredelicious.Youcookedthem.5.Idon’tlikethepeople.Theysmokealot.Theeggs(that/which)Iboug

3、htwerenotfresh.Thefriendwho/thatcametosupperlastnightwasnothungry.Helikesthecheesethat/whichcomesfromhisparent’sfarm.Thenoodles(which/that)youcookedweredelicious.Idon’tlikethepeoplethat/whosmokealot.介词+关系代词的情况1Themanwhomyouspokewasascientist.Thecitywhichshelivesisfaraway.toin介词+关系代词的情况2Th

4、emanwho/whomyouspokewasascientist.Thecitythat/whichshelivesisfaraway.toinArethesetwosentencesright?介词+关系代词的情况3Themanwho/whomyouspokewasascientist.Thecitythat/whichshelivesisfaraway.toin××Arethesetwosentencesright?可见,who、that不能用与介词之后介词+关系代词的情况4Isthisthewatchthatyouarelookingfor?Theoldmanwh

5、omIamlookingafterisbetter.在固定短语中介词不能提前下面两句中的介词能提前吗?关系副词when表示时间，作状语；where表示地点，作状语；why表示原因，作状语。IstillrememberthedaywhenIcamehere.ThisisthehousewhereIlivedlastyear.Therearemanyreasonswhypeopleliketraveling.Istillremembertheday.Icamehereontheday.替换ontheday，用when,定语从句为Istillrememberthedaywhen

6、Icamehere.若只是替换theday,因为theday做的是on的宾语，所以用which,定语从句为IstillrememberthedayonwhichIcamehere.结论：在此句中可以用onwhich来替换when.关系副词可变为“介词＋which”IstillrememberthedaywhenIcamehere.ThisisthehousewhereIlivedlastyear.Therearemanyreasonswhypeopleliketraveling.应根据句子的意思选用合适的介词。onwhich=wheninwhich=whereforwhi

7、ch=why当先行词虽然表示时间、地点或原因，而关系词在从句中作主语、宾语而不是状语时，不可用when,where或why,而应该用that或which。Ilikethecity_____thereisabeautifullake.Ilikethecity_________hasabeautifullake.wherewhich/thatThereason_____hedidn’tcometoschoolyesterdayisthathewasill.Thereason__________hegaveisn’ttrue.Iwi