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1、语法专题定语从句Part1.定语从句的定义及其关系代词的使用Step1.分析下列句型：1.Ican’tremembereverything(that)happenedduringthetimeinuniversity.2.Thefilmisaboutaspy(whose)wifebetrayshim.3.BarbarywasworkinginBeijing,(where)shewentdailyinabus.4.Hesaidthathehadneverseenherbefore,(which)wasnottrue.5.Englishisalanguage
2、sharedbyseveraldiversecultures,eachof(which)usesitsomewhatdifferently.总结：在复合句中，用来修饰____________和____________的从句叫做定语从句。被修饰词叫____________,用来引导定语从句的关联词叫_____________。定语从句分为____________和_____________。(思考：限制性定语从句和非限制性定语从句的区别是什么？)________________________________________________________
3、______________________________________________________________________________________________________Step2.关系代词的用法总结：关系代词：关系代词先行词（指人或物）在从句中充当什么成分例句分析who指人作主语Theboywhoisstandingthereismycousin.whomTheman(whom)youmetyesterdayisMr.Smith.Theboy(whom)youarelookingforishiddenbehindthe
4、tree.whose=()whom=()Doyouknowtheboywhosefatherisanengineer?Helivesinahousewhosewindowsfacesouth.thatIdon’tknowabouttheman(that)youmentioned.Aplaneisamachinethatcanfly.whichThepen(which)myunclegavemeismissing.Childrenliketoreadbookswhichhavewonderfulpictures.asWehavefoundsuchmater
5、ialsasare6usedintheirfactory.Heisnotthesamemanashewas.Asweallhadexpected,Liuxiangwonthegoldmedalinthecompetition.注意：关系代词as和which引导的定语从句1)As和which都可以在定语从句中做主语或者宾语，代表前面整个句子。Hemarriedher,whichwasnatural.Hewashonest,as/whichwecansee.2）as可以引导非限制性定语从句，既可以放在主句前，也可以放在主句后，位置较为灵活，意为“正如…”，后
6、面的谓语动词一般是：see,know,expect,say,mention,report,announce等。但是，which引导的非限制性定语从句，只能放在主句之后，意为“这一点”。（1）________isknowntoall,Chinaisadevelopingcountry.（2）Heisfromthesouth,______wecanseefromhisaccent.（3）John,________youknow,isafamouswriter.Johnisafamouswriter,________youknow.（4）Hehasbeento
7、Parisseveraltimes,________Idon’tbelieve.3)当先行词受such,thesame,so修饰时，常用asIhaveneverheardsuchafunnystoryashetells.=Ihaveneverheardsofunnyastoryashetells.ThisisthesamebookasIlostlastweek.【注意1】当先行词由thesame修饰时，偶尔也用that引导定语从句，但是和由as所引导的定语从句意思不同SheworethesamedressthatsheworeatMary’sweddin
8、g.Sheworethesamedressasheryoungsisterwor
