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带介词的定语从句Themantowho/whomyouspokeisourheadmaster.YouspeaktothemanThecityinthat/whichshelivesisfaraway.ShelivesinthecityArethesetwosentencesright?注意:介词+which（指物),不可省介词+whom（指人),不可省介词后不用who、thattoinThecitywhichshelives_____isfaraway.Themanwhomyouspoke_____isourheadmaster.A.Thefarm____whichweworkedtenyearsagoisbeautiful.B.Thisisthetree______whichweusedtoplaygames.onunder•preposition+which（指物）preposition+whom(指人）Howtochoosetherightprepositions1.介词的确定方法•Themoney_______whichyouweretobuydogfoodisgone.•Hewillneverforgettheday____whichhefailedintheexam.①根据先行词来确定onwith•Wethoughtyouwereaperson_______whomwecouldexpectgooddecisions.•TheWestLake,____whichHangzhouisfamous,isabeautifulplace.②根据定语从句中的谓语动词或形容词确定forfromAir,________whichmancan’tlive,isreallyimportant.③根据定语从句所表达的意义来确定withoutThepen_____whichheiswritingnowwasboughtyesterday.with•2.介词的位置•①一般情况下，介词一般放在关系代词which和whom之前，也可放在动词后。•Thisistheman________________Ilearnedthenewsfrom.Thisistheman____________Ilearnedthenews.fromwhom(who/whom/that)•Thisistheroom____________welivedinlastyear.(that/which)inwhichThisistheroom_________welivedlastyear.Isthisthewatchthatyouarelookingfor?TheoldmanwhomIamlookingafterisbetter.在固定短语中介词不能提前下面两句中的介词能提前吗?•②固定搭配的动词短语中的介词一般不能提前.•常见的这类动词短语有:•lookfor/after/forwardto,•carefor(照顾，喜欢）•hearof/about/from,takecareof等.•ThisistherightplaceI’mlookingfor.•Thegirlwhomheislookingafterishissister.1.Doyoulikethebook________shespent$10?2.Doyoulikethebook________shepaid$10?3.Doyoulikethebook________shelearnedalot?4.Doyoulikethebook_________sheoftentalks?onwhichforwhichfromwhichaboutwhich介词+关系代词的使用•5.Theman_________Ispokeonthephonelastnightisverygoodatwriting.•6.Glasses,___________Ican’tseeclearly,arereallyimportantforme.•7.Chinaisabeautifulcountry,_______weareproud.•8.Doyouremembertheday_______youjoinedourclub?towhomwithoutwhichofwhichonwhich