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1、初高中英语组定语从句一.定义：定语：定语可以由形容词、代词、数词、名词、分词、不定式、介词短语等来担任，修饰名词或代词。定语从句：用来修饰主句中一个词或词组的句子，称为定语从句。要素：先行词（主句中被修饰的词）；关系代词∕副词（从句的引导词）考纲要求：对于定语从句要求掌握以下内容：1.引导限制性定语从句的关系词2.引导非限制性定语从句的关系词3.限制性定语从句与非限制性定语从句的区别4.介词+关系代词用法5.不定代词∕数词+ofwhich∕whom引导的非限制性定语从句及其结构与并列句的判断6.关系词间的
2、转换及选用认识：Handsomeboys=theboyswhoarehandsomeBeautifulflowers=theflowerswhicharebeautiful二.限制性定语从句：限制性定语从句：这种从句和主句的关系十分密切，写时不可用逗号分开。限制性定语从句常由that,which,who,whom,whose,when,where,why,as引导。(一)关系词：关系代词和关系副词1.关系代词引导的定语从句关系代词：that,who,whom,which,whose用法：先行词人物人+物主
3、语who,thatwhich,thatthat宾语whom,who,thatwhich,thatthat定语whosewhose,of+which/注意：(1).限制性定语从句中只能用that不用which的情况：a.先行词为不定代词everything,anything,nothing,something,all,much,little,none,few,some16初高中英语组等不定代词修饰时用that。Hedideverythingthathecouldtohelpus.Thereislittlet
4、hatIcandoforyou.b.先行词前有形容词最高级、序数词修饰时用that。ThisisthebestbookthatI’veeverread.ThisisthefirstthingthatIwanttosay.c.当先行词是oneof,theone,或者先行词被all,every,no,some,any,little,much,theonly,thevery,thesame,thelast,few,just等修饰时用that。Itistheonethatyouwant.Allthethingst
5、hatwecandoistogiveyousomeadvice.ItistheonlythingthatIliketodo.d.当先行词包含了指人和物两方面的含义时用that。Theytalkedaboutthethingsandpersonsthattheyknewintheschool.e.在疑问词who、which、what开头的句子中，用thatWhoisthemanthatspoketoyouatthegate?Whichisthestarthatisnearesttotheearth?f.先行
6、词是主句的表语且关系代词在从句中作表语时用that。Heisnottheboythatheusedtobe.Chinaisnolongerthecountrythatitusedtobe.(2).限制性定语从句中只用which不用that的情况：a.在非限制性定语从句中Shedidn’tpasstheexam,whichmadehersad.b.关系代词前有介词时ThisistheroominwhichLuXunlived.c.先行词本身是thatTheclockisthatwhichtellstheti
7、me.(3).限制性定语从句中只用who不用that的情况：a.当先行词是指人的those,anyone,everyone,people,he,all,one,few等不定代词时，引导词用16初高中英语组who而不用that.Iamwillingtohelpthosewhoareintrouble.b.在therebe句型中，先行词指人,关系词用whoThereisanoldmanwhosaysheisyouruncle.练习一.(一)用定语从句将两个分句连接起来1.Theeggswerenotfresh
8、.Iboughtthemyesterday.2.Thefriendwasnothungry.Hecametosupperlastnight.3.Helikesthecheese.Itcomesfromhisparent’sfarm.4.Thenoodlesweredelicious.Youcookedthem.5.Idon’tlikethepeople.Theysmokealot.(二)用适当的关系代词填空1.Thegirls
