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1、Revision:Exercise(抢答)YuanLongpingisagreatscientist_________________weshouldlearnfrom.Isthisthekey___________youarelookingfor?BaiShamiddleschoolistheschool_________Iamstudyingnow.whom/who/thatwhich/thatwhere定语从句：介词+关系代词介词+关系代词1.用法关系代词在定语从句中作介词宾语时,从句常常由“介词+关系代词”引导2.结构先行词是人用“介词+
2、whom”先行词是物用“介词+which”e.g.Theschoolinwhichheoncestudiedisveryfamous.Thegirlaboutwhomwearetalkingisadoctor.我们正在谈论的那个女孩是个医生。他曾经上学的学校非常著名。知识结构图：“介词+关系代词”⑴先行词是⑵选介词介词+whom介词+which人物①介词与先行词的关系②从句谓语动词或形容词的固定搭配③整个句子表达的意义介词+关系代词介词+关系代词:介词的选择根据先行词来确定介词Hewillneverforgetthedayonwhichhefai
3、ledintheexam.ThisisthevillageinwhichIstayedlastnight.IwillneverforgetthefarmonwhichIworkedwithyou.ontheday在那天inthevillage在乡村onthefarm在农场介词+关系代词:介词的选择2.根据从句的谓语动词或形容词固定搭配确定HeisthepersonfromwhomIlearnalot.TheWestLake,forwhichHangzhouisfamous,isabeautifulplace.ThemanwithwhomIshoo
4、khandsjustnowisateacher.learnfromsb.向某人学习befamousfor因…..而闻名shakehandswithsb.与某人握手介词+关系代词:介词的选择3.根据整个句子的句意确定介词Air,withoutwhichmancan’tlive,isreallyimportant.Thepen,withwhichheiswritingnow,wasboughtyesterday.Thisismypairofglasses,withoutwhichIcannotseeclearly.…withoutair……withp
5、en……withoutglasses…介词+关系代词1.有些含有介词的动词短语一般不拆开,介词仍放在后面,如:lookfor,lookafter,lookforwardto,takecareof等e.g.Thebabywhomthenurseislookingafterisveryhealthy.注意：Thewinterholidaythatwehavelookedforwardtoforalongtimeiscoming.ThisisthewatchIamlookingfor.介词+关系代词2.“介词+关系代词”前还可有不定代词(some,an
6、y,none,all,both,neither,many,most,each等),数词,百分数,或形容词最高级修饰。Shehastwosons,bothofwhomaredoctors.注意：Thereare40studentsinourclass,mostofwhomarefrombigcities.Ihavemanyfriends,thetallestofwhomisLee.介词+关系代词3.若先行词为时间名词、地点名词或reason,“介词+关系代词”可用相关的关系副词when,where,why替换e.g.Beijingisthecity
7、_________________hehaslivedmanyyears.注意：Thereason________________hewaslateisn’tclear.Iremembertheday________________Igoabroad.inwhich=(where)onwhich=(when)forwhich=(why)介词+关系代词4.whose引导的定语从句,关系代词whose可替换为“the+名词+of+which/whom”或“ofwhich/whom+the+名词”e.g.注意：Iknowaboywhosefatheri
8、sadoctor.Iliveinthehousewhoseroofisred.=theroofofwhichisred.=ofwhich
