必修三Unit4-Grammar主语从句课件.ppt

必修三Unit4-Grammar主语从句课件.ppt

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时间:2020-08-18

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1、Inmydream,childrensingAsongofloveforeveryboyandgirlTheskyisblueandfieldsaregreen:AndlaughteristhelanguageoftheworldThenIwakeandallIseeIsaworldfullofpeopleinneedTellmewhy(why)doesithavetobelikethis?Tellmewhy(why)istheresomethingIhavemissed?Tellmewhy(why)cosIdon'tunderstandWhensomanyneedsome

2、bodyWedon'tgiveahelpinghandTellmewhy?EverydayIaskmyselfWhatwillIhavetodotobeaman?DoIhavetostandandfightToprovetoeverybodywhoIam?IsthatwhatmylifeisforTowasteinaworldfullofwar?Tellmewhy(why)doesithavetobelikethis?Tellmewhy(why)istheresomethingIhavemissed?Tellmewhy(why)cosIdon'tunderstandWhen

3、somanyneedsomebodyWedon'tgiveahelpinghandTellmewhy?SubjectClause 主语从句Thathewillsucceediscertain.Whowillbeourmonitorhasn'tbeendecidedyet.Whetherhewilljoinuswon'tmakedifference.Howthebookwillselldependsonitsauthor.Whatcausedtheaccidentremainsunknown.定义:在句子中担当主语的是一个从句,这个从句就叫做主语从句。2.由形式主语it代替,

4、而本身放在句子末尾。位置:1.通常放在主句谓语动词之前Itdoesn’tmatterwhetherheiswrongornot.辨别下列从句的类别:1.ItisimpossiblethatIgoandattendthemeeting.2.JohnsaidthathewasleavingforLondon.3.Thefactisthathehasnotbeenseenrecently.4.Thatweneedmoreequipmentisquiteobvious.5.HewilltalktousaboutwhathesawinU.S.6.Itisverylikelythatt

5、heywillholdameeting.宾语从句主语从句表语从句主语从句主语从句宾语从句引导主语从句的连接词可分为三类:连接词:that,whether,(if)连接代词:what,whichwho,whom,whose,whatever,whoever,whichever等连接副词:when,where,how,why,whenever,wherever等主语从句的连接词★无词义★在主语从句中不作成分★一般不能省略(尤其在句首时)Thathewillcomeandhelpusiscertain.Thatheisthebeststudentintheclassisobvio

6、us.thatWhetherwewillsucceedisstillaquestionIfwewillsucceedisstillaquestion.(×)Itisnotknownwhether/ifhewillcome.Whether(if)★有词义:“是否”★在主语从句中不作成分★whether引导的主语从句可放句首、句末★If引导的主语从句不能位于句首。连接副词when,where,why,how,等.Whatheishasnothingtodowithyou.Whoseticketthisishasnotbeenfoundout.Whenthetestwillbeg

7、ivenisnotyetdecided.Whateveryoudidisright.连接代词what,whatever,who,whoever,whose,which,whichever等.★有词义★在主语从句中作成分在主语从句中,连接词的选择要看这个从句的句子结构,假如根据意思判断为缺少主语,宾语,表语等时应该考虑who,whoever,which,whichever,what,whatever,whom,whomever.如果缺少定语则想到whose,which,缺少状语,应该选择how,wherewhen,w

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