2018年秋季高中英语Unit5MusicPeriod3LearningaboutLanguage语法专题课“介词+关系代词”引导的定语从句课件新人教版必修2.ppt

Unit5MusicPeriod3LearningaboutLanguage语法专题课“介词+关系代词”引导的定语从句,【课前热身】观察并完成下列句子,并体会“介词+关系代词”引导的定语从句的用法ThereesTom,for_Ihavebeenwaitingforanhour.汤姆来了,我等了他一个小时。,whom,Hehandedmeapenwith_Iwrotedownhisphonenumber.他递给我一支钢笔,我用它记下了他的电话号码。Theboywasstayingintheroomthrough_windowhecouldclimbdown.那个男孩待在那间屋子里,通过窗户他可以爬下来。,which,whose,【课堂诠解】.“介词+关系代词”引导的定语从句的基本用法1.形式和含义:(1)介词+which:说明先行词表示“物”。（2017北京高考）Materialcollectingtookusawholeweek,_weinterviewedourteachersandtookpicturesofeveryaspectofschoollife.,during,which,Ilivedinahotel,_isTiananmenSquare.我住在一家宾馆里,它的前面就是天安门广场。,in,front,of,which,(2)介词+whom:说明先行词表示“人”。(2016江苏高考)Manyyoungpeople,most_werewell-educated,headedforremoteregionstochasetheirdreams.很多年轻人都到偏远地区去追逐自己的梦想,他们中的大多数都受过良好的教育。Theperson_Ispokejustnowismyuncle.刚才同我说话的那个人是我的叔叔。,of,whom,to,whom,(3)介词+whose+名词:表示whose代替先行词所有格在定语从句中作定语,修饰其后面的名词。whose所代替的先行词可以是人也可以是物。Helivesinanoldhouse,_livesafamilyofbirds.他住在一所老房子里,在屋檐下住着一窝鸟。,under,whose,roof,WeweregratefultoKate,_helpwecouldpletethetaskontime.我们很感激凯特,在她的帮助下我们才能够按时完成任务。,with,whose,2.介词的选择:(1)根据介词与先行词的搭配关系选择。Wellneverforgettheday_whichtheearthquakehappenedinWenchuan.(on与先行词day搭配)我们永远忘不了汶川发生地震的那一天。,on,Thepolicesearchedthehouse_whichthethiefhadstayed.(in与先行词house搭配)警察搜查了那个小偷待过的房子。,in,(2)根据定语从句中的谓语动词或形容词选择介词。Sheisthemodel_whomweshouldlearn.(learnfromsb.向某人学习)她是我们应该学习的榜样。Theytalkedaboutthings_whichtheywereinterested.(beinterestedin对感兴趣)他们谈起了他们感兴趣的事情。,from,in,(3)根据定语从句所表达的意义来确定介词。Air,_whichmancantlive,isreallyimportant.空气确实重要,没有它人类就不能生存。,without,【名师指津】聚焦“介词+关系代词”结构易考点(1)“介词+关系代词”引导的定语从句中的关系代词只能用which和whom,不能用who或者that。(2)介词+which,作时间状语=when;作地点状语=where;forwhich作原因状语=why。,(3)一些动词短语中的介词一般不能与动词拆开,如lookfor,lookafter,bemadeof,takepartin,lookforwardto等。(4)当先行词为时间、地点和原因,介词in,on,for等与关系代词which引导定语从句时,有时可与相应的关系副词when,where和why等互换。,.“介词+关系代词”引导的定语从句的特殊用法1.复杂介词短语+关系代词(which/whom/whose)的定语从句。常见的复杂介词有:becauseof,asaresultof,infrontof,inthemiddleof,onthetopof,atthefootof,atthebackof等。,Itsnowedheavilylastnight,andbecauseofittheflightwascancelled.(改为含有定语从句的复合句)_Theyarrivedatafarmhouse,andinfrontofitsatanoldwoman.(改为含有定语从句的复合句)_,Itsnowedheavilylastnight,becauseofwhichtheflight,wascancelled.,Theyarrivedatafarmhouse,infrontofwhichsatan,oldwoman.,【名师指津】如果是表示方位的介词短语,并且放在句首,定语从句要全部倒装。,2.名词/不定代词/数词/形容词最高级+关系代词的定语从句。Chinahasthousandsofislands,_(其中最大的岛屿)isTaiwanIsland.Thepoormanhasthreesons,_(他们都)dontsupporthim.,the,largest,of,which,all,of,whom,【名师指津】名词+介词+关系代词的常见句式为:the+n.+of+关系代词,也可用of+关系代词+the+n.或whose+n.;当然of+关系代词表所属关系。,Thelittlegirlwroteasong,_(歌名)Iveforgotten.,thenameofwhich/of,whichthename/whosename,【巧学助记】定语从句用法顺口溜关系副词可替换,介词加上关系代;关系代,关系代,that与who要除外;挑选介词要聪明,必看动词和先行。,【课堂小结】介词+关系代词引导的定语从句1.基本构成: