介词+关系代词引导的定语从句.ppt

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1、Unit5Grammar“介词+关系代词”引导的定语从句高三英语语法专题突破“介词+关系代词”引导的定语从句是一种常见但也较为复杂的定语从句结构,是高考的重点和难点1.（2013•浙江）Thechildren,______hadplayedthewholedaylong,werewornout.A.allofwhatB.allofwhichC.allofthemD.allofwhom2.（2014•重庆）Johninvitedabout40peopletohiswedding,mostof______arefam

2、ilymembers.A.themB.thatC.whichD.whom3.（2015•北京）Manycountriesarenowsettingupnationalparks______animalsandplantscanbeprotected.A.whenB.whichC.whoseD.where考情分析：1.在介词+关系代词引导的定语从句中正确使用whom和which;。2.在介词+关系代词引导的定语从句中正确选择介词。3.学会在不同的情景中运用定语从句。学习目标1.引导定语从句的关系代词有：关系副词有:

3、2.关系代词在从句中的作用：3.关系副词在从句中的作用：Revision1.Howcanwechoosetherightconjunctions？2.Howcanwechoosetherightprepositions?Thisisthehousemygrandfatheroncelivedin.ThisisthemanIlearnthenewsfrom.that/which/不填who/whom/that/不填Thisisthehouseinwhichmygrandfatheroncelived.Thisist

4、hehousethat/which/不填mygrandfatheroncelivedin.ThisisthemanfromwhomIlearnthenews.Thisisthemanwho/whom/that/不填Ilearnthenewsfrom.问题2：Howtochoosetherightprepositions1.Thefarm____whichweworkedtenyearsagoisbeautiful.2.Thisisthetree______whichweusedtoplaygames.onunde

5、r①根据先行词来确定onthefarmunderthetree2.Thehouse____whichhepaid100,00yuanisverybeautiful.②根据定语从句中动词或形容词与介词的搭配foron1.Heistheman_____whomIthinkyoucandepend.dependonpayfor2.Thisisthehero_____whomweareproud.of1.IwenttotheWestLake____whichHangzhouisfamous.forbefamousfobe

6、proudof1.Air,________whichmancan’tlive,isreallyimportant.③根据定语从句所表达的意义来确定without2.Thepen_____whichheiswritingnowwasboughtyesterday.withⅢ.“介词+关系代词”的其他相关知识1.Themantowho/whomyouspokeisourheadmaster.2.Thecityinthat/whichshelivesisfaraway.Arethesetwosentencesright

7、?注意:介词+which（指物),which不可省介词+whom（指人),whom不可省介词后不用who、that1.当介词直接置于关系代词之前时，关系代词不省略，不用that/who；但当介词置于定语从句之中时，关系代词which/whom可以换为that/who，也可以省略。2.定语从句中谓语动词是含有介词的固定短语时，介词应放在动词之后，不能拆开放在关系代词前。3.在从句中作时间、地点、原因状语时，可换成when,where,why；作定语时，whose可取代ofwhich/whom。Thisistheba

8、bywhomyouwilllookafter.ThisisthevillageinwhichIspentmychildhood.IappreciatedTomverymuch,withoutwhosehelpIcouldn’tsolvetheproblem.WithoutthehelpofwhomwherePracticetimeHaveyoudreamedofplayi