定语从句的10个难点1.关系代词的省略(限定性定语从句)(1)关系代词在定语从句中作宾语Sheisthegirl(whom/that)Ilovedbefore.(可以省略whom/that)(2)关系代词在定语从句中作表语Heisnolongertheboy(that)heusedtobe.(可以省略that)(3)关系代词作介词宾语，介词在从句句尾时可以省略Housingpriceisaproblem(that/which)peopleareinterestedin.比较：Housingpriceisaprobleminwhichpeopleareinterested.（此时只能用which且不能省略）2.先行词是人(that/who的区别)(1)用that的情况①以疑问词who开头的句子中Whoisthemanthatisshoutingthere?②关系代词在从句中作表语时Sheisnotthegirlthatsheusedtobe.③先行词被thevery,theright,theonly修饰Thisistheverypersonthatwearelookingfor.(2)用who的情况①先行词是one,ones,anybody,all,none,those等Thosewhowanttogotothecinemawillhavetowaitatthegateoftheschool.②句子中有两个定语从句,一个用了that,另外一个用whoWhoistheboythatwonthegoldmedal?③在therebe结构中Therearemanyyoungmenwhoareagainsthim.④在非限定性定语从句当中Tom,whoismybestfriend,hasgoneabroadtostudy.3.先行词是物(that/which的区别)(1)用which的情况①在非限定性定语从句中Shelostthegame,whichdepressedhergreatly.②关系词置于介词之后，作宾语ThepenwithwhichyouwriteisJack’s.③先行词是that或定语从句中套定语从句,一个关系词用that,另一个用which.LetmeshowyouthenovelthatIborrowedfromthelibrarywhichisnewlyopentous.(2)用that的情况①先行词是不定代词如all,little,few,much,anything,everything,nothing,none,noone等Shedidallthatshecouldtohelpus.②先行词被all,every,no,some,little,much,theonly,hevery,theright，thelast等所修饰时ThisistheverybookthatIwant.③先行词中既有人又有物时Shedescribedinhercompositionsthepeopleandheplacesthatimpressedhermost.④先行词前有序数词或形容词最高级修饰时ThisisthebestbookthatIhaveeverread.ThisisthefirstfilmthatI’veseensinceIcamehere.⑤定语从句中套定语从句，其中一个关系词以用which,另外一个用thatHebuiltafactorywhichproducedthingsthathadneverbeenseenbefore.⑥当主句的主语是疑问词which,另一个用thatWhoisthepersonthatisstandingatthegate?4.As引导定语从句用法(1)As既可以引导限制性定语从句也可以用于非限定性定句中充当主语，宾语，表语等。常用于以下句型当中：Such/so…..as….像…..一样thesame….as…和…...同样的Acomputerissousefulamachineaswecanuseeveryday.Heisnotthesamemanashewas.(2)引导非限制性定语从句，此时译为“正如，像”等。可以放在句首，句中或句末。AsIremember,therewereanetbarhere.TaiwanisaninseparablepartofChina,asisknowntoall.★thesameas...和thesamethat...引导定语从句的区别ThisisthesamebikethatIlostyesterday.(同一事物)ThisisthesamebikeasIlostyesterday.（同类事物）5.关系副词的运用(1)When在定语从句中做时间状语，先行词为表示时间的time,day等IstillrememberthedaywhenIfirstcametoBeijing.(when=onwhich)(2)Where在定语从句中做地点状语，先行词为表地点的place,spot等Canyoutellmetheofficewhereheworks?(where=inwhich)(3)Why在定语从句中做原因状语，先行词只有reason.Idon’twanttolistentoanyreasonwhyyouwereabsent.(why=forwhich)★关系副词=相应的介词+关系代词★Where引导的定语从句还可以修饰抽象空间的名词如case(情形)，situation,position(位置),stage(阶段)，point（地步）等Whatarethesituationswherebodylanguageistheonlyformofcommunication?在哪些情况下身体语言是唯一的沟通方式。(此时where=inwhich)6.几个特殊的先行词(1)way在定语从句中做状语时的三种引导方式that/inwhich/不填Thewayinwhich/that/不填heexplainsthesentencetousisquitesimple.比较：Thewaywhich/that/不填hetoldtouswasquitesimple.★way在定语中作tell的宾语(2)先行词timetime表示“次数”时，用关系代词that引导定语从句...
