限制性定语从句和非限制性定语从句•限制性定语从句非限制性定语从句形式与先行词之间没有逗号与先行词之间有逗号功能与先行词的关系密切,如果去掉意义会不完整是先行词的附加说明,去掉句子剩余部分意思完整先行词单个的名词或代词既可以是单个的名词或代词,也可以是整个句子或期中一部分引导词可用所有的关系代词、副词引导,且关系词作宾语时可省略在所有关系词中不能用that和why,且引导词不能省略•1Thegirl________likeexpensivebagsworkshardtokeepherjob.•2Thebodyofthemissingfirefighter,__________wasconsideredtohaveescapedfromthesceneofthefirewhentheyweretryingtoputouttheflames,wasfound13yearslater.that/whowho非限制性定语从句注意事项•1不能用that•2不能用why,不过可以用forwhich代替。•3which引导的非限制性定语从句不能放在句首•4在非限制性定语从句中,关系代词作宾语时不可省略,关系代词指人时,只能用whom,不能用who•Manyofuswantedtoknowthereason,__________hedidn’tattendthemeeting.forwhich8页新知引导•1which•2that、which•3which•4whom•5where/inwhich•6when/duringwhich•7which8即学活用•1when•2which•3whomaswhich指代内容引导的从句只能指代整个主句的内容引导的从句既可以指代整个主句的内容,又可以指代主句的一部分位置可位于主句之前、之中或之后引导的从句不能位于主句之前意思正如这、那功能起连接上下文的作用,表达说话人的观点、看法,并指出主句内容的根据或出处引导的从句在意思上相当于一个并列句s•1Thenumberofsmokers,________isreported,hasdroppedby17percentinjustoneyear.•2Asastudentinseniorhighschool,themostimportanttaskistostudyhard,________determinesourfuture.•3Hehasgotsuchagoodchance________everyoneelsewants.aswhichassuch…as…/thesame…as介词+关系代词(which、whom)•1Hewrotemanychildren’sbooks,nearlyhalf________werepublishedinthe1990s.•2Theyhavefourchildren,thedaughter________isworkinginthatbigcompanynow.•3Therewasaprisonontheisland,________nobodycouldescapeofwhichofwomfromwhich注意:the+n+ofwhich/whom=ofwhich/whom+the+n=whose+n•Theyhavefourchildren,thedaughterofwhomisworkinginthatbigcompanynow.ofwhomthedaughter=whosedaughter10:即学活用•1from•2of•3in•4tworoomsofwhich/ofwhichtworooms•5Asweallknow/Asisknowntous课时检测•1who•2when•3which•4As•5whose•6whom•7as•8which/that•1ofwhich•2ofwhich•3inwhich•4ofwhom•5alongwhich•6inwhich•7inwhich•8towhom•9forwhich•10towhich