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1、Unit9IlikemusicthatIcandancetoPeriod6SectionB(3a-selfcheck)专项语法—定语从句（theAttributiveClause）1.概念定语从句：在复合句中作定语的从句叫定语从句。先行词：被定语从句修饰的名词或代词叫做先行词，位于定语从句前面。关系词：用来引导定语从句的词叫做关系词或引导词。关系词分为关系代词（that,which,who,whom,whose）和关系副词（when,where,why）。本单元我们重点讲解由that,which,who,whom引导的
2、定语从句.2.关系代词的功能使用关系代词在从句中的功能指代that作主语或宾语指人或物which作主语或宾语指物（可与that互换）who作主语或宾语指人（可与that互换）whomwho的宾格，作宾语，可省略指人whosewho的所有格，作后面名词的定语指人或物（1）Iliketheteacherwhocandancetomusic.teacher是先行词，who是关系代词,作主语，可与that互换（2）HeisthemanwhoImetyesterday.man是先行词，who是关系代词，作宾语,可与that/wh
3、om互换（3）Yourmotheristhepersonwhomyoushouldtalkto._____是先行词，______是关系代词，作______,可与______互换（4）ThegirlthatIsawyesterdayisTom’ssister._____是先行词，_____是关系代词，作______，可与______互换（5）Ilovesingersthatwritetheirownmusic._____是先行词，_____是关系代词，作_______,可与______互换(6)Theroom______
4、haswindowsbelongstoJim7)Youcanchoosethebook_____youlike.注意：who/that/which在定语从句中做主语时，谓语动词的单复数应与先行词保持一致(10)Ilovetheteacherwho_____(be)strictwiththestudents.(11)Ilovetheteacherswho_____(be)strictwiththestudents.【注】在由that,who和which引导的定语从句中，当他们在从句中作主语时，都不可以省略；作宾语时，都可
5、以省略。3.关系代词只用that不用which的几种情况：1.当先行词为all,little,much,few,everything,none等不定代词时，关系代词用that而不用which.Iwilltellhimall____youtoldme.Therearefewbooks_____youcanreadinthisbookstore.2.当先行词既有人又有物时,关系代词用that,不用which.Heaskedaboutthefactoriesandworkers_____hehadvisited.3.当先行词
6、有形容词最高级修饰时,关系代词用that,而不用which.Thisisthebestnovel_____Ihaveeverread.Guilinisoneofthemostbeautifulcities____Ihaveevervisited.4.当先行词有序数词修饰时,关系代词用that,不用which.Thefirstsight____wascaughtattheGreatWallhasmadealastingimpressiononhim.5.当先行词被theonly,thevery,thesame,theri
7、ght等修饰时,关系代词用that,不用which.Thatistheverything____wecando.Itistheonlybook_____heboughthimself.6.当先行词被all,every,any,much,little,few,no等修饰时,关系代词用that,Youcantakeanyroom____youlike.Thereisnoclothes____fityouhere.7.当主句是以which开头的特殊问句时,定语从句关系代词一般用that而不用which.Whichoftheb
8、ooks_____hadpictureswasworthreading?注意：介词后面只能用which和whom不能用that或whoThegirlwith_____Iwentshoppingyesterdayismycousin.当堂检测1.用适当的关系代词填空(1)Thisistheteacher_____willgototh
