18-19 Unit 2 Section Ⅲ Grammar——定语从句(Ⅱ).doc

SectionⅢGrammar——定语从句(Ⅱ)[语境自主领悟]先观察原句后自主感悟①Inthecornerthereisagarbagecanaroundwhicharepiecesofgarbageandwastepaper.②Davidwethinkisthepersontowhomyoushouldwrite.③ThepolicemanwithwhomHenryistalkingintheofficeisafriendofmine.④Perhapsthereisareasonwhythehouseisinamess.⑤ThisisthehousewhereLuXunlived.⑥IstillrememberthedaywhenIfirstcametothisschool.1.例句①②③中含“介词＋关系代词”引导的定语从句而且关系词作介词的宾语。2.例句②④⑤⑥中含关系副词引导的定语从句而且关系副词在从句中作状语。why作原因状语；where作地点状语；when作时间状语。[语法精要点拨]一、“介词＋关系代词”引导的定语从句1．“介词＋关系代词”结构定语从句中的介词有时可置于关系代词之前形成“介词＋关系代词”结构。关系代词通常是which和whomwhich指物whom指人。露西就读的这所学校很有名。你认识记者正在与之交谈的那个男演员吗？[名师点津]若定语从句中的短语是固定搭配拆开便失去了原来的意义则介词通常不能前置到关系代词之前。如lookforlookaftertakecareof等。Thisistheoldmanwhomhe'slookingafter.这就是他正在照顾的老人。(从句中的lookafter为固定短语不能拆开)[即时演练1]用“介词＋关系代词”引导定语从句合并句子①Thereasonisthathewasillyesterday.Hedidnothandinhishomeworkforthatreason.→Thereasonforwhichhedidnothandinhishomeworkisthathewasillyesterday.②TheEnglishplaywasagreatsuccess.ThestudentsactedinitattheNewYear'sparty.→TheEnglishplayinwhichthestudentsactedattheNewYear'spartywasagreatsuccess.③Whoistheman？Youshookhandswithhimjustnow.【导学号：67302019】→Whoisthemanwithwhomyoushookhandsjustnow?2．介词的确定方法结合句意一看先行词二看从句的谓语动词来确定介词。Inthisroomwesawabigtableonwhichtherewereallkindsoffruits.在这个房间里我们看到一张上面放着各种各样的水果的大桌子。(which代指abigtable介词根据onthetable来确定)ThisisthemanfromwhomIlearnedaboutthenews./ThisisthemanwhomIlearnedaboutthenewsfrom.我就是从这个人那儿听到那个消息的。(whom代指theman介词根据learn...from来确定)[即时演练2]用适当的“介词＋关系代词”填空①He'stheboyofwhomhisparentsarebothproud.②Totellyouthetruththesingerforwhomyouarewaitingwon'tcometonight.③Asweallknowtheageatwhichchildrencangotoschoolisseven.3．先行词是way的定语从句way(方式方法)作先行词后接定语从句时若从句引导词在从句中作状语则引导词用inwhich或that引导词也可省略；当引导词在从句中作主语、宾语、表语时引导词用which/that。Theway(that/inwhich)hetreat