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定语从句一：定义及相关术语1.修饰主句中___或____的从句叫做定语从句。2.被定语从句所修饰的____或_____叫做先行词。3.引导定语从句的代词或副词叫做_____或_______。关系词常有3个作用：①连接作用，引导定语从句。②代替主句中的先行词，甚至可能是主句中的一部分或者整个主句。③在定语从句中充当一句子成分。二：指出关系代词在定语从句中所做的成份：1.ThemanwhocametoourschoolisMr.Wang.()2.Thegirl(whom)ImetisLucy.()3.AchildwhoseparentsaredeadiscalledTom.()4.Ilikethebook(which)youboughtyesterday.()三：关系代词：that、which、who、whom和whose的基本用法主语宾语定语指人指物指人和物四：用关系代词填空：1HeJiongandWangHanarethepeople____hostthe”2010HappyBoys”program2“HappyBoys”isaprogramme______ispopularwithmostyoungpeopleinChina.3LiWeiistheman____wonthechampioninthe“2010HappyBoys”.4.WuYiistheboy______usedtostudyinCanadafor4years.5.Aplaneisavehicle__________canflyinspace.6.Theclassroomwhosedoorisbrokenwillsoonberepaired.=Theclassroomthedoorisbrokenwillsoonberepaired.注意：以下情况只能用that1先行词既有指人又有指物2当先行词前有序数词或形容词最高级时，有theonly,thevery,thelast等修饰时3先行词是all,much,little,few,none,anything,something,nothing等不定代词4主句是以who/which开头的特殊疑问句时5当先行词在定语从句中作表语时ThisisthemostinterestingbookthatIhaveeverread.Thisistheverybookthatbelongstohim.Lookatthemanandhisdonkeythatarewalkingupthestreet.五：关系副词的用法先行词状语主语宾语地点时间原因where指代的是表地点的先行词，在定语从句中作地点状语。1.Thisistheschool_______Iworkedthreeyearsago.12.Thisistheschool_____________Ivisitedyesterday.when指代表示时间的先行词，在定语从句中作时间状语。3.Ican’tforgetthedays_______Istayedwithyoulastsummer.4.Istillrememberthedays____________Ispentontheexams.Why指代表原因的先行词，在定语从句中作原因状语5.Isthisthereasonwhy(forwhich)herefusedouroffer?6.Thisisthereason__________hegaveus?7.Thereason/forwhichherefusedtheinvitationishewasill.归纳:当先行词是表时间，地点，原因的词时，如果定语从句中缺少主语，宾语，则用；如果定语从句中不缺少主语，宾语，则用关系副词when（时间），where（地点）,why(原因)。关系副词=介词+关系代词why=forwhichwhere=in/at/on/...whichwhen=during/on/in/...which1.Istillremembertheday_________wespentintheforest.2.Istillremembertheday____________IfirstcametoBeijing.3.Thefactory_________wewillvisitislarge.4.Thefactory___________hisfatherworksislarge.5.I’llneverforgetthetime_____________weworkonthefarm.6.Thisisthehouse____________welivedlastyear六：way作先行词在定语从句中做方式状语时，inwhich/that/不填Theway____________________helooksattheproblemsiswrong.七：改错1.Thatbookthatyouwantitisonthedesk.2.Isthisfactorythatwevisitedlastweek?3.Themanwiththatyoutalkedismyfriend.归纳：（1定语从句要避免成分重（2定语从句要避免漏用先行词（3介词前提后，先行词是人或物，关系代词分别只能用whom和which，而不用that或who。介词前提后，关系代词不再能省略。八：关系代词在从句中作主语时，从句中的主谓一致关系代词在定语从句中作主语时从句的谓语动词在人称和数上应与先行词一致。1.Whoistheguythatreadingoverthere?(be2.Thenumberofpeoplethatgoingtotheexhibitionisexpectedtobe25,000.（be3.Heisoneofthestudentswhocomputeralotforstudy.（use4.Timmyistheonlyoneofthepupilsthatfailedtheexam.（has/have九：非限制性定语从句的作用是对所修饰的成分作进一步说明，通常是引导词和先行词之间用逗号隔开，将从句拿掉后其他部分仍可成立。1.注意：非限制性定语从句不能用that引导。Myhouse,whichIboughtlastyear,hasgotalovely...