大学英语语法名词性从句省公开课一等奖全国示范课微课金奖PPT课件.pptx

GrammarHowshouldweusemoderntechnology?Theproblemis…1.连接词有：thatwhether和lf2.连接代词有：whowhomwhosewhichwhat等3.连接副词有：whenwherewhyhow等另外whateverwhoeverwhichever等也可以引导主语和宾语两种从句。宾语从句ObjectClause请判断出以下句子属于哪种从句引导名词性从句连接词：that（无意义，不可省，不充当任何成份）whether,if（均表示“是否”表明从句内容不确定性）asif,asthough（均表示“好像”，“似乎”）以上在从句中均不充当任何成份连接代词：what,whatever,who,whoever,whom,whomever,whose,which,whichever连接副词：when,where,how,why,whenever,wherever,however连接代词和连接副词在句中既保留自己疑问含义、又起连接作用，在从句中充当从句成份不可省略连词：1.介词后连词2.引导主语从句和同位语从句连词不可省略。Thatshewaschosenmadeusveryhappy.Weheardthenewsthatourteamhadwon.It使用方法：（形式主语）It’possible/important/necessary/clear…that……很可能/主要是…/必要是…/很清楚…It’said/reported…that…听说/据报道…It’sbeenannounced/declaredthat…已经通知/宣告…Itseems/appears/happens..that…显然、显著、恰巧…It’snowonderthat…并不奇怪/无疑…It’sapity/afact/acommonknowledge(众所周知）/acommonsaying….（俗话说）___hemadeanimportantspeechatthemeetingwastrue.A.ThatB.WhyC.WhatD.How4.It’sknowntousall___aformofenergy.A.waterisB.thatwaterisC.iswaterD.thatwaterto5.Itworriedherabit___herhairwasturninggray.A.whetherB.ThatC.whatD.when6.WhatIsayandthink___noneofyourbusiness.A.isB.areC.hasDhave主语从句中“主谓一致”：1.当主句谓语动词是普通现在时或普通未来时，宾语从句谓语动词能够用所需要任何一个时态。2.当主句谓语动词是普通过去时，宾语从句谓语动词要用对应过去时态，但当宾语从句叙述内容为客观真理时，依然用普通现在时。Theteachertoldhisclassthatlight_______fasterthansound.willbe宾语从句中“时态呼应”与“否定转移”wrote宾语从句中用it作形式宾语Exercises:“it”作形式主语或形式宾语：在复合句中作主句表语.引导表语从句关联词与引导主语从句关联词大致一样在表语从句中，表“是否”时，只能用“whether”不能用“If”普通情况下，“that”不能省Itis/wasbecause….Itis/waswhy….3.Thereason(why…/for…)is/wasthat….4Thereasonisbecause/why…1.That’s___thePartycalledonustodo.A.whyB.whatC.howD.that2.Thereasonis___heisunabletooperatethemachine.A.becauseB.whyC.thatD.Whether3.Thatis___theyseparated.A.thatB.whatC.whichD.where4.Janeisnolonger___shewasfouryearsago.A.whatB.whichC.thatD.whenIhavenoideaWeexpressedthehopethattheywouldcometoChinaagain.WeexpressedthehopethattheyhadexpressedTheideathatcomputerswillrecognizehumanvoicessurprisesmanypeople.2.Thepossibilitythatthemajorityofthelaborforcewillworkathomeisoftendiscussed.3.We’lldiscussthe