师生编号:Unit5.CanadanTheTrueNorth*编Period4GrammarLearningaims:Tohelpstudentsunderstandandlearnthekeystructure“theAppositiveClause”.Importantanddifficultpoints:LearntousetheAppositiveClause.Learningguide:UnderstandandPractice.Learningprocedures:SteplLead-in.Mr.Li,curmathsteacher,isacharminggentleman.同位语(appositive)Thethoughtthattheycouldcrossthewholecontinentwasexciting.同位语从句(appositiveclause)Step2.Grammarstudy(课文中出现的同位语从句再现)Thethoughtthattheycouldcrossthewholecontinentwasexciting.1. SomepeoplehavetheideathatyoucancrossCanadainlessthanfivedays,buttheyforgetthefactthatCanadais5,500kilometersfromcoasttocoast.2. ThegirlsweresurprisedatthefactthatoceanshipscansailuptheGreatLakes.Summary：同位语从句一般跟在某些名词之后，用以说明或解释前面的名词，引导同位语从句的连词常用that.(一)同位语从句在句中作某些名词的同位语，这些名词常见的有：fact,news,hope,truth,idea,suggestion,thought,question,possibility,order,problem,belief,doubt,fear,promise,belief,answer,reason等。引导同位语从句的连词通常有that,whether,how,wh-疑问词。例如：1. Thefactthatdeedsarebetterthanwordsisquiteclear.2. ThequestionhowIdiditishardtoanswer.我怎么做的这一问题难回答.3. Theyhadnoideawheretheyshouldgotofindsomefood.他们根本不知去哪儿找食物.4. Thequestionwhetherhecomesornotisnotimportant.（不能用if）他是否来这个问题不重要.5.Athoughtcametomethathemightbeinthelibrary.我突然想到他可能在图书馆.（被别的词隔开）（that无词义）练一练：ThefacthedidntseeTomyesterdayistrue.A.thatB.whichC.whenD.what（）.1havenoideawherehehasgone.我不知道他去了哪里。Ihavenoideawhathedid.我不知道他做了什么。总结：在havenoidea之后常用wh-引导同位语从句。练一练:Ihavenoideahewillcomeback.A.whereB.whenC.whatD.that（三）？同位语从句中的虚拟语气表示“坚持、命令、建议或要求”等的名词后面的同位语从句，常用虚拟语气，从句中的谓语动词形式为（should）+动词原形，其中should可省略。常用师生词有suggestion,order,demand,request等。例女h1. Thedoctorsorderthatshe(should)stayinbedforafewdayswasreasonable.(同位语从句)医生让她在床上呆几天的命令是合理的。2. Hemadeasuggestionthatameeting(should)beheldimmediately.(同位语从句)他提出了应该立即举行会议的建议。练一练:Theorderthattheprisonerarrivedtoolate.A.issetfreeB.setfreeC.besetfreeD.shouldsetfree(四)that引导的同位语从句和定语从句的区别比较下面两组句子：1) Thenewsthatyouheardisnottrue.Thenewsthatourteamhaswonistrue.2) Thefactthatwetalkedaboutatthemeetingisveryimportant.Thefactthatwesucceededpleasedeverybody.通过比较完成下面的表格:同位语从句定语从句从句和先行词的关系that在从句中的作用that能否省略Step3K当堂检测1)ThereisnodoubtacureforAIDSwillbefound.2)Ihavenoideaornothehasfinishedthework.A.ifB.thatC.whetherD.whichAlongwithhisflowerscameapromisehewouldvisitmethismorning.A.whichB.thatC.whatD.whetherDanbyleftamessagehewouldcallagainintheafternoon.A.whoB.thatC.asD.which5)Oneofthemenheldtheviewthebooksaidwasright.A.whatthatB.thatwhichC.thatwhatD.whichthat6) Thefacthasworriedmanyscientiststheearthisbecomingwarmerandwarmertheseyears.A.whatB?whichC?thatD?Though7) Thebossmadethedemandthatsheatonce.A.leaveB.leavesC.leftD.tobeleftIhavenoideaornothehasfinishedthework.A.ifB.thatC.whetherD.whichAsthedaywasfine,Imadethesuggestionforawalkinthepark.A.wegoB.wewillgoC.shouldwegoD.thatwegoThreedayslater,wordcameourcountryhadsentupanotherman-madesatellite.A.whichB.whenC.thatD.whereK总结与反思用