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Unit51.MostpeopleinthewestagreethatChineseisoneofthemostdifficultlanguagestolearn.2.ThattheycarryontheirconversationinFrenchissuggested.3.HemadeasuggestionthattheycarryontheirconversationinFrench.4.HissuggestionwasthattheycarryontheirconversationinFrench.5.Thisisthesuggestionthathemadelastweek.Whatisthefunctionofeverythat-clauseineachsentence?attributivesubjectobjectpredicativeappositive在句子中起名词作用的句子叫名词从句(NounClauses）。名词从句的功能相当于名词词组,它在复合句中能担任主语、宾语、表语、同位语、介词宾语等，因此根据它在句中不同的语法功能，名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。Ifathat-clauseisusedassubjectinasentence,wecallitthesubjectclause;ifitisusedasobject,wecallittheobjectclause.Andsoonandsoforth(依此类推),athat-clausecanalsobeusedasthepredicativeclauseortheattributiveclause.Intheattributiveclause,“that”isoftenusedassubjectorobjectwhileintheappositiveclause“that”isn’tusedasmembersofthesentence.1.Thenewsthatourteamwonthematchisexciting.2.Thenewsthatheheardjustnowisexciting.theappositiveclausetheattributiveclauseNotes:that-clause1.that-clauseusedasthesubjectclause引导主语从句的that在从句中仅仅起引导作用,不作任何句子成分,无任何具体意义,不可省略.Thathe’llsucceediscertain.有时可用it作形式主语,真正的主语从句后置.Itisstrangethatshedidnotcomeyesterday.ItisapitythatMr.Browncan’tattendourEnglishmeeting.2.that-clauseusedastheobjectclause引导宾语从句的that在从句中仅仅起引导作用,不作任何句子成分,无任何具体意义,可省略.但在较为正式的,不那么常用的动词后面,that一般不省略.(1)Ithink(that)Englishisnotveryhardtolearn.(2)Herepliedthathedisagree.在某些作表语的形容词后面常有用that引导的从句,这些也可看作是一种宾语从句,that也可省略.(3)Iamsurethathewillpasstheexam.(4)Hewasgladthathehadmadegreatprogress.有时可把that引起的从句移到后面去,前用it作形式宾语.(5)Hehasmadeitclearthathewon’ttakeoverthejob.(6)Ithinkit’snecessarytolearnEnglishwell.3.that-clauseusedasthepredicativeclause引导表语从句的that在从句中仅仅起引导作用,不作任何句子成分,无任何具体意义,一般不省略.Thequestionisthatwearereallyshortofmoney.注意:Itappears/seemsthat…,Ithappensthat…,Itturnsoutthat…等结构中的that从句，常被看作表语从句。4.that-clauseusedastheappositiveclause同位语从句常用that引导，与其同位的名词常有：news,fact,hope,idea,suggestion,promise,thought,order,doubt,belief,truth,request,proposal,demand,problem等,说明他们所包含的具体内容.(1)Thefactthathewonthefirstplacecan’tbedenied.(2)Theideathatonecandotheworkwithoutthinkingiswrong.(3)Weheardthenewsthatourfootballteamhadwon.注意:a.名词demand,suggestion,proposal等的同位语从句的谓语动词要用虚拟语气,为should+动原,should可以省略.Thesuggestionthattheplan(should)bedelayedwillbediscussedtomorrow.b.同位语从句与定语从句的区别比较:IhavetheimpressionthatallthepupilsoftheclassareinterestedinEnglish.Theimpressionthathehasleftuponusisverygood.