定语从句阶段复习高一.ppt

定语从句,思考:1.什么是定语从句？2.什么是先行词？3.什么是关系词？4.关系词的作用和分类？5.关系词如何判定？,6.关系副词与“介词+关系代词”有何关系？7.“介词+关系代词”中，介词怎样判断？8.定语从句可分为几类？有何区别？9.as的用法？10.as和which引导非限制性定语从句的区别是什么？,定语从句：在复合句中，修饰某一名词或代词的从句。ThegirlwhoisstandingthereisMary.先行词关系词先行词：被定语从句所修饰的词。关系词：引导定语从句的词。,定义,一、关系词的作用:连接作用：引导定语从句，把它和从句连接起来；替代作用：在从句中替代它前面的先行词；成分作用：在从句中总是充当句子成分。二、关系词的分类：关系代词：who,that,whom,which,whose,as关系副词：when,where,why,关系词作用和分类,关系代词的判定,在定语从句中作状语：指地点where指时间when指原因why,关系副词和“介词+关系代词”的关系,IstillrememberthedaywhenIcamehere.ThisisthehousewhereIlivedlastyear.Therearemanyreasonswhypeopleliketraveling.,ontheday=when,inthehouse=where,forthereasons=why,关系副词有时可同“介词关系代词”互换,onwhich,inwhich,forwhich,介词+关系代词的情况1,Themanwhomyouspokewasascientist.Thecitywhichshelivesisfaraway.,to,in,介词+关系代词的情况2,Themanwho/whomyouspokewasascientist.Thecitythat/whichshelivesisfaraway.,to,in,Arethesetwosentencesright?,介词+关系代词的情况3,Themanwho/whomyouspokewasascientist.Thecitythat/whichshelivesisfaraway.,to,in,Arethesetwosentencesright?,可见,who、that不能用与介词之后,介词+关系代词的情况4,Isthisthewatchthatyouarelookingfor?TheoldmanwhomIamlookingafterisbetter.,在固定短语中介词不能提前,下面两句中的介词能提前吗?,定语从句,TheRestrictiveAttributiveClause限制性定语从句,TheNon-RestrictiveAttributiveClause非限制性定语从句,定语从句的分类,区别：1)限制性定语从句对先行词起修饰限制作用，而非限制性定语从句对先行词起补充说明作用；2）非限制性定语从句中，先行词与定语从句往往用逗号隔开，相当于并列句或状语从句。,whose,Thehouseismine.Thewindowofthehouseisbroken.,Thehousewhosewindowisbrokenismine.,whose=thehouseswindow,Thehouseismine.,thewindowofwhichisbroken,ofwhichthewindowisbroken,as引导的限制性定语从句,Thisissuchaninterestingbook_wealllike.Thisissointerestingabook_wealllike.Thisisthesamedictionary_Iusedyesterday.Thisisthesamedictionary_Iusedyesterday.Thisissuchaninterestingbook_wealllikeit.Thisissointerestingabook_wealllikeit.,as,that,as,that,这是大家都喜欢的如此有趣的一本书。(定语从句),这本书如此有趣，大家都喜欢。(结果状语从句),that,as,as引导的非限制性定语从句,Theearthisround._isknowntoall._isknowntoallthattheearthisround.Theearthisround,_isknowntoall._isknowntoall,theearthisround.Shewasawardedagoldmedal,_delightedallofus.,It,as,As,It,as具有“正如”之意，与之搭配的动词一般是固定的，如：asyouknow/asyousee/asweplanned/asweexpected/asisoftenthecase,定语从句在句首时只能用as,which,定语从句的辨认与使用思考步骤：（1）找出先行词a.确定关系代词的人称、数和性b.确定从句位置（一般在先行词之后）（2）确定关系代词在从句中所担任的成分以确定关系代词（3）确定从句时态Doyouknowtheboymymotheristalkingto?,1.Thisisthetown_Iwasborn.Thisisthetown_Ivisitedlastweek.2.Iwillneverforgettheday_Icametoschool.Iwillneverforgettheday_Ispentwithyou.3.Thisisthereason_hewaslate.Thisisthereason_hetoldme.,where,which,when,which,why,that,Fillintheblankswithproperpreps.Thisisthebook_whichIspent5yuan.Thisisthebook_whichIpaid5yuan.Thisisthebook_whichwecanlearnalot.Thisisthebook_whichweoftentalk.Thisisthebook_whichIwrotedownmanynotes.,on,for,from,about,in,高考中对于where的考查趋于复杂，从先行词为明显的“地点”转化为“地点的模糊化”。事实上，对于这个where这个词，我们不能只理解为表地点。当先行词表示某人/物的situation，或某事所发展的stage，或表达某事的某个方面时都可用where这个关系副词。如：Theaccidenthadreachedapointwhereboththeirparentsaretobecalledin.,