初三语法专项复习――定语从句

定语从句•定语Lucyisabeautifulgirl.（beautiful是girl的定语）Ihavealovelycat.（lovely是cat的定语）•定语从句MyfriendisLucywhoisabeautifulgirl.Ihaveacatwhichislovely.——在句子中修饰名词或代词的部分——在复合句中修饰某一名词或代词的从句叫做定语从句。Maryisagirl.Maryhaslonghair.合并为一个句子Maryisagirlwhohaslonghair.先行词关系词定语从句Maryisagirlwhohaslonghair.关系代词关系副词which,who,whom,whose,thatWhere,when定语从句的用法:当先行词是物时,用which或that引导.Thesearethetreeswhich/thatwereplantedlastyear.当先行词是人时,用who,that,whom,whose引导.Mysisterisatalentedgirlwho/thatcandanceverywell.一般情况下，who可以替代whom，除了“介词+whom”的情况。1.Theman_______visitedourschoolyesterdayisfromLondon2.Thewoman________istalkingtomymotherisafriendofhers.3.Isthattheman________wenttoSichuanaloneaftertheearthquake?4.Iliketheteacher________classesareveryinteresting.who/thatwho/thatwho/thatwhose1.Theboy________parentsdiedtwoyearsagoliveswithhisgrandpa.2.Whoistheteacher__________Limingistalking?3.Thisisthedog_________youarelooking.whosewithwhomforwhom1.Ihaveafriend________likeslisteningtoclassicalmusic.who/thatwhich/thatwhose3.Theman______legbrokeinamatchusedtobeafootballplayer.2.YesterdayEmilywaswearingthenewdress__________Igaveher.4.Myparentsliveinahouse__________ismorethan100yearsold.5.Theboy______________Johnisspeakingtoismybrother.which/thatwhom/who6.Kevinisreadingabook__________istoodifficultforhim.which/that定语从句中that\which的用法：That的用法：这是我买过的最贵的书。1.ThisisthemostexpensivebookthatIhavebought.•当先行词前有一个形容词最高级修饰时。2.Thefirstthingthatyoushoulddowastofinishyourhomework.•当先行词前有一个序数词修饰时。你首先要做的就是完成作业。3.IamgoingtobuyeverythingthatIneed.•当先行词为all,everything,something,anythingnothing,little,much,none等不定代词时。PS:anyonewho,peoplewho4.Theonlythingthathecoulddowastorunaway.•当先行词前面有only,theright,thefairly,all,any,no,much,few,little等词修饰时。我将要去买我所需要的一切东西。他唯一能做的就是逃跑。•先行词既有人又有物时用that。5.Thechildrenweretalkingaboutthepersonsandtheplacesthattheyhadseen.孩子们在谈论他们见过的人和地方。1.ThisisthehouseinwhichTomoncelived.•关系代词在介词后面时。2.Whatisthatwhichyouareholdinginyourhands?•先行词为that时。which的用法：你手里举的是什么？这就是Tom曾经住过的房子。先行词which和where的用法：ThisisthehousewhichTomoncelivedin.=ThisisthehouseinwhichTomoncelived.=ThisisthehousewhereTomoncelived.•定语从句前或后有介词用which•Theschoolyouworkismyschool.•Theschoolyouvisitismyschool.wherewhich/thatwhich和when的用法：•Ineverforgetthedays___________IspentinNewYork.•Ineverforgetthedays_________IstudiedinNewYork.=Ineverforgetthedays_______IstudiedinNewYork.•定语从句前或后有介词用whichwhich/thatonwhichwhen