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1、Unit4SharingPeriodIIIGrammar定语从句一、【学习目标】1、复习和掌握定语从句屮关系代词和关系副词的作用和功能，能准确选择定语从句所需的关系代词或关系副词。2、较好地掌握定语从句的用法，理解定语从句，运用知识点解题。二、【合作探究】一、走近定语从句定语从句：在复合句中修饰名词或代词的从句叫定语从句定语从句是由关系代词或关系副词引导的从句，其作用是作定语修饰主句的某个名词性成分，相当于形容词，一般紧跟在它所修饰的先行词后面。先行词：被定语从句修饰的名词、代词称为先行词关系词：引导定语从句的关联词称为关系词，关系词有关
2、系代词和关系副词。关系代词有that,which,who,whom,whose,as等,关系副词有where,when,why等。关系词常有3个作用：①作用，引导定语从句。②代替主句中的，甚至可能是主句中的一部分或者整个主句。③在定语从句中充当_个O二、走进定语从句1、限制性定语从句:种类先行词关联词例句说明（人）Thisisthedoctorwhosavedtheboy'swho在从句中做主语在从句wholife.中做主(whom在从句中做宾语，可省.语或)Sheisthenewstudent(whom/who)Twant但做介词宾语时
3、只能用定宾语tointroducetoyou.whom（物）Pleasepassmethebookwhichislyingonwhich在从句中做主语。在从句thetable.语从句中做主语或宾语whichThenovel(which)Tomboughtisveryinteresting.CanyoulendmethemagazineabouX.whichyoutalkedyesterday?which充当宾语时可省which做介词宾语不可省ThewomanthatisplayingthepianoisMissthat扌旨人做主语人Zha
4、ng.或thatI’dliketoseethefilmsthatarejustthat指物做主语物onshow.先行词分别表示人和物，Theytalkedforaboutanhourofthings关系代词要用that.andpersons(that)theyrememberinthe做宾语时可省schooLI，11tellyouall(that)Iknowaboutit.先行词为all,little,Isthereanything(that)1candoforyou?much或some,any,every,定I’vebroughteve
5、rything(that)youneed.no-构成的合成代词，关系代词要用that.人thatThisisthebestfilm(that)Ihaveseen.先行词被形容词最高级或或Thefirstplace(that)we"11visitis序数词修饰时定从用that语物BeijingLibrary・引导。Heistheonlypersonthatisbelievable.从Johnistheveryperson(that)shewants先行词被theonly,thetosee.very,thesame等修饰时用that.Whoi
6、sthemanthatistalkingwithTom?句11711chofthebooks(that)youboughtiseasytoread?当主句以who、which开头的特殊疑问句时，定从要用thatTheprofessorwhosedaughterteachesyouwhose在从句中做定语EnglishisDr.Williams人二Theprofessor,thedaughterofwhom指某人的也可以用或teachesyouEnglishisDr.Wi11Jams.•••ofwhom代替whose物whose的Thebi
7、kewhosebrakewasdamagedhasnow指物时也可以用beenrepaired.二Thebikethebrakeofwhich•••ofwhich代替whosewasdamagedhasnowbeenrepaired•Hecameatatimewhenweneededhimmost.时whenWe"11neverforgetthedaywhenthe在定从中作时间状语间People"sRepublicofChinawasfounded.Thisistheroomwhereheputupforthe地点wherenight.
8、在定从中作地点状语这就是他渡过夜晚的那房子。原因理由whyIknowthereasonwhyshestudiessowel1•在定从中作原因状语2.非限制性定语从句种类先行词关联词例句说明Ge
