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1、高一英语(四)语法:定语从句1.先行词:被修饰的名词、代词或句子2.关系词:1)连接主从句2)指代先行词3)在从句中充当一个成分关系词指代在定语从句中充当的成分who人主语或宾语(不能放在介词后)whom人宾语which物或一个句子主语或宾语that人或物主语或宾语whose人或物定语when时间状语where地点状语why原因状语注意:1)what不引导定语从句2)在定语从句中作宾语是,关系代词可省略3)作表语时不用which,要用that,且不能省略。4)插入语不算从句成分eg.1)Ilovedthelessons_____
2、____________shegaveinEnglishLiterature.2)Itisnolongerthesmalltown____________itusedtobe.3)Wewillhaveatwo-weekholiday,_____________IthinkisagoodtimeforatriptoHongKong.4)Heoftenhelpsthestudents________theythink/sayarenotquickattheirstudies.3.that/which的区别》只用that的情况:1)先
3、行词为all,little,much,everything,nothing,something,anything等不定代词2)先行词被all,little,much,every,no,any等修饰3)先行词被序数词、形容词最高级,thelast,thevery,theonly,等修饰4)先行词既有人又有物5)若主句中又疑问代词who或which时,为避免重复,关系代词不再用who,which,而用that6)先行词作表语时一般也用that,不用which,who.》只用which的情况:1)非限制性定语从句2)直接跟在介词后》t
4、hosewho,hewhoeg.I’dliketocallthelady___________________(call)MissWhite.A.calledB.callingherselfC.who/whom/thatwecallD.alltheabove4.从句的谓语要与先行词一致She’stheonlyoneamongthewomenwriters________________(write)comicstories.She’soneofthewomenwriters__________________(write)com
5、icstories.5.主句不完整,从句中要加theoneIsthismuseum_____________________theyvisited?Isthisthemuseum__________________theyvisited?6.当先行词是theway时Thisistheway____________________hethoughtoftomakemoney.Thisistheway____________________hemademoney.57.allthat=what8.as作为关系代词(在从句中必须作主语
6、或宾语)1)固定搭配:thesame….as/that….such….as…so……as….eg.Heisreadingthesamebook________Ireadyesterday.Heisreadingthesamebook__________Ireadyesterday.Thisissuchaheavystone_________nobodycanlift.Thisissuchaheavystone___________nobodycanliftit.2)as引导非限制性定语从句,指代整个主句Heisright,asw
7、eknow.Asweknow,heisright.Theearth,asweknow,isround.9.介词+关系代词引导的定语从句1)指事物用介词+which,指人用介词+whom2)关系代词紧跟介词后时,不能用that,关系词也不能省略3)该介词通常可以放在关系代词之前,也可放在从句之尾4)但是固定词组时,介词一般紧跟从句主体,不前置Theman__________ItalkedatthemeetingisfromBeijingUniversity.Theman______________Italkedaboutatthe
8、meetingisfromBeijingUniversity.Isthisthebook___________________youarelookingfor?Exercise1一、画出下列各句中的关系代词或关系副词,并判断它们在定语从句中充当的成分1.Doyo