关系代词引导的限制性定语从句课件.ppt
关系代词引导的限制性定语从句,一.定语从句的定义:,二.定语从句的特点:,1.定语从句既属于从句又属于定语范畴,且属于后置定语,即位于所修饰的名词或代词的后面。而它所修饰的名词或代词叫先行词。,2.定语从句通常紧跟先行词。,三.定语从句的分类:,1.限制性定语从句:,2.非限制性定语从句:,用来修饰句中名词或代词的从句叫定语从句。,分为限制性定语从句和非限制性定语从句。,限制性定语从句对先行词起到限制的作用,限制性定语从句通常与主句紧密相连,译为汉语时,通常以“的”来体现定语从句。,非限制性定语从句是对先行词的附加说明,它和主句往往用逗号分开。译为汉语时,定语从句和主句通常构成两个并列句。,四.定语从句的引导词:,1.关系代词:,2.关系副词:,五.限制性定语从句中关系代词的用法。,that的用法:,That既可指人也可指物,在定语从句中通常作主语、宾语或表语,而且作宾语时常可省略。,which的用法:,Which指物,在定语从句中通常作主语或宾语,作宾语时常可省略。,who的用法:,Who指人,在定语从句中通常作主语或宾语,作宾语时可省略。,引导定语从句的词叫关系词,它包含关系代词和关系副词。,who,whom,which,that,whose,as,when,where,why,whom的用法:,Whom指人,在定语从句中作宾语,常可省略。,whose的用法:,Whose既可指人也可指物,在定语从句中作定语,指人时,相当于of whom;指物时,相当于of which。,who,whom,that,which,whose,人,人,物,人/物,人/物,主语、宾语,宾语,主语、宾语,主语、宾语、表语,定语,归 纳,点 津:,(1)关系代词的作用,引导作用:顾名思义,关系代词通常在定语从句的句首,引领一个定语从句。,连接作用:关系代词引导定语从句,把从句和主句连接起来.,替代作用:关系代词通常在从句中代替它所修饰的先行词。,成分作用:关系代词在从句中总是充当一个句子成分。,(2)关系代词在限制性定语从句中作宾语时,在口语中可省略。,(3)关系代词在从句中作主语时,根据先行词的单复数决定从句谓语动词的单复数。,六.关系代词that,which的特殊法,(1)不能用关系代词that的情况:,关系代词that不能用于非限制性定语从句中。,介词后不能用关系代词that。,(2)只能用关系代词that 不能用关系代词which的情况:,先行词本身是everything,nothing,anything,little,much,the one等不定代词时。,当先行词本身既包含人也包含物时。,当先行词被all,any,every,little,much,no,some等修饰时。,当先行词被the only,the very,the same,the last等修饰时。,当先行词被序数词或形容词最高级修饰时。,当先行词在定语从句中作表语时。,在以which开头的句子中,为了避免重复。,1.I refuse to accept the blame for something was someone elses fault.,A.who B.that C.as D what,2.Ive become good friends with several of the students in my school _ I met in the English speech contest last year.,A.who B.where C.when D.which,练 习,B,A,3.In China,the number of cities is increasing _ development is recognized across the world.,A.where B.which C.whose D.that,4.Children who are not active or _ diet is high in fat will gain weight quickly.,A.what B.whose C.which D.that,练 习,C,B,5.Is this museum _ you visited a few days age?,A.where B.that C.on which D.the one,A.where B.that C.on which D.the one,解析:在句中,所缺部分为宾语,而where,that,on which都不能起到宾语的作用,只有the one既做了主句的表语,又可做从句的宾语,可以省略关系代词,所以应选D。,6.Is this the museum _ the exhibition was held.,解析:句中,主、谓、宾俱全,从句部分为句子的状语表地点,既可用副词where,又因 in the museum词组,可用介词in+which 引导地点状语。而此题中,介词on 用的不对,所以应选A。,练 习,D,A,7.It rained hard yesterday,_ prevented me from going to the park.,A.that B.which C.as D.it,解析:which可代替句子,用于非限定性定语从句。That 不能用于非限定性定语从句,it不为连词,使由逗号连接的两个句子并在一起在英语语法上行不通。所以应选B。,8.I have many friends,_ some are businessmen.,A.of them B.from which C.who of D.of whom,解析:考查介词关系代词引导的非限制性定语从句。介词后指人的关系代词只能用宾格whom,不能用who替代。所以应选D。,练 习,B,D,The end,