介词加关系代词定从.ppt

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1、定语从句介词+关系代词“介词+关系代词”引导定语从句时，介词的宾语只能用which（指物）或whom(指人)，whose既可指人也可指物,即介词+which/whom/whose.介词+关系代词介词+关系代词与when、where或why转换介词的选用“介词+关系代词”型定语从句四大考点Point1介词+关系代词与when、where或why转换关系副词：在句中作状语关系副词=介词+关系代词关系副词:when,where,whywhen指时间，在从句中作时间状语。when=during/on/in/...which(介词同先行词搭配)(2)where指地点，在从

2、句中作地点状语。where=in/at/on/...which(介词同先行词搭配)(3)why的先行词只有reason，why在从句中作原因状语。why=forwhich(4)先行词指物时，whose=the+n.ofwhichThey’llneverforgetJuly1_____HongKongreturnedtoitsmotherland.Thedays______weusedforeignoilaregoneforever.关系副词whenTherewasatime_____thebusinessmanlostheart.when=onwhichwhen

3、=onwhichwhen先行词是表示原因的名词，即reason，在定语从句中充当原因状语，用why，这时一般可以用for＋which来代替:Idon’tknowthereasonwhy/forwhichhedidit.Thereasonwhy/forwhichhewasfiredwasnotclear.试比较：Thereason____________heexplainedtotheteacherisnottrue.Thereason___________wasexplainedtotheteacherisnottrue.(which/that)（作宾语）whi

4、ch/that（作主语）关系副词why先行词是position,situation,point,case,condition等时在定语从句中作状语用关系副词where连接.TheyareinsuchasituationwhereeverythingisindisorderThepolicearelookingintothecasewheretwoVIPswerekilled.Canyoumakeasentencewherethisverbcanbeused?Theywereatthepointwhere/atwhichtheyhadtodecidewhattod

5、enext.Point2:介词的选用考虑三个因素:“一先,二动,三意义”根据定语从句中先行词的搭配习惯确定IneverforgetthedaysduringwhichIstudiedhard.IneverforgetthedayonwhichIwenttocollege.IneverforgettheyearinwhichIwenttocollege.daysdayyearPoint2:介词的选用2.根据定语从句中谓语动词的搭配习惯确定HaveyoufoundthebookforwhichIpaid$10?HaveyoufoundthebookonwhichIs

6、pent$10?Haveyoufoundthebookaboutwhichsheoftentalks?paidspenttalksPoint2:介词的选用3.根据定语从句所表达的意义来确定Air,________whichmancan’tlive,isreallyimportant.Thefilm____________Ifellasleepwasveryboring.Thepen_____whichheiswritingnowwasboughtyesterday.duringwhichwithoutwithThisistheriver__________weo

7、ftenhaveawalk._____________abridgewasbuilt._______thereisaboat.by/besideonwhichover/acrosswhichalongwhich_______whichthereisafactory.Point3“介词+关系代词”定语从句四大考点1、恰当的简单介词+关系代词Wemanagedtofindaboat,_______wecouldgettotheisland.Thelab,________theexperimentsusedtobedone,isbeingrepaired.Sheisa

8、girl________