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1、初中定語從句講解Matchthetwosentences：1.I’mreadingabook.ThebookisaboutBillGates.I’mreadingabookthat/whichisaboutBillGates.2.Heisateacher.TheteacherteachesusChinese.Heisateacherwho/thatteachesusChinese.3.Idon’tliketheman.Heissmoking.Idon’tlikethemanwho/thatissmoking.4.Whereisthepicture?Youbo
2、ughtitlastweek.Whereisthepicture(which/that)youboughtlastweek?定語從句：在復合句中修飾名詞、代詞的從句叫定語從句。先行詞：被定語從句修飾的名詞或代詞叫先行詞。定語從句一般放在先行詞后面。例：Ilikemusicwhich/thatisquiet.關(guān)系代詞關(guān)系詞：引導定語從句的詞稱為關(guān)系詞。關(guān)系詞分為關(guān)系代詞（that,which,who,whom,whose)關(guān)系副詞（when,where,why)。關(guān)系代詞在從句中充當主語、賓語、定語等成分，關(guān)系副詞在句中作狀語。關(guān)系代詞which,that引導
3、的定語從句:如果先行詞是表示物體的名詞或代詞，關(guān)系代詞應(yīng)用which,that(作主語或賓語)定語從句先行詞關(guān)系代詞作為主語時不能省略，作為賓語是可以省略。例：作為主語不能省略：Thisisadream.Thedreamwillnevercometrue.Thisisadreamwhich/thatwillnevercometrue.Thedoghasbeenfound.Thedogwaslost.Thedogwhich/thatwaslosthasbeenfound.Thebookismine.Thebookislyingonthefloor.Theboo
4、kwhich/thatislyingonthefloorismine.作為賓語能省略：Thisisthecard.I’vejustreceivedthecard.Thisisthecard(which/that)I’vejustreceived.Thisisthemistake.Ialwaysmakethemistake.Thisisthemistake(which/that)Ialwaysmake.Istillkeeptheletters.Shewroteletterstome.Istillkeeptheletters(which/that)shewrot
5、etome.Ilostthepen.myfatherboughtmethepen.Ilostthepen(which/that)myfatherboughtme.關(guān)系代詞who,that,whom,whose引導的定語從句:如果先行詞是表示人的名詞或代詞，關(guān)系代詞用who,that(作主語或賓語)whom(作賓語)whose(作定語)例：作主語不能省略：Thisisthefilmstar.ThefilmstarisverypopularinChina.Thisisthefilmstarwho/thatisverypopularinChina.Theboyis
6、calledRoy.Theboybrokethewindow.TheboywhobrokethewindowiscalledRoy.Doyouknowtheman?Themanspokeatthemeetingyesterday.Doyouknowthemanwhospokeatthemeetingyesterday?Thegirlismycousin.Thegirliswateringtheflowers.Thegirlwhoiswateringtheflowersismycousin.例：做賓語能省略：Themanisafamouswriter.Hede
7、scribedthemanjustnow.Theman(who/whom/that)hedescribedjustnowisafamouswriter.(作賓語)Theboyismyfriend.I'mlookingfortheboy.Theboy(who/that/whom)I'mlookingforismyfriend.Thethiefhasbeensenttoprison.Thepolicecaughtthethieflastnight.Thethief(who/that/whom)thepolicecaughtlastnighthasbeensent
8、toprison.whose作定語,表示所屬關(guān)系。T
