英语语法主语从句公开课完整ppt课件

Nounclausesasthesubject,主语从句,.,基本概念,.,什么是主语？,主语：是一个句子说明的人或事物,即叙述的主题，一般位于_。,句首,IlikeEnglish.Thetrainleft.,.,Jimisgoodatplayingthepiano.Toseeistobelieve.Smokingisbadforhealth.Whathehassaidistrue.,找出主语,(名词）,（不定式）,（动名词）,(从句）,.,主语从句(SubjectClause),在主从复合句中充当主语的从句就是主语从句,它是名词性从句之一。引导主语从句的连接词有：从属连词that,whether；连接代词who,what和which；连接副词when,where,how和why。,.,考纲专题解读,1.了解名词性从句的基本用法，掌握名词性从句的引导词及引导词在名词性从句中的作用，辨析that与what,if与whether等引导词的用法。2.明确it作形式主语和形式宾语、代替主语从句及宾语从句的用法，及其与强调句的区别。3.区分that引导的同位语从句及定语从句。,.,他通过了考试让老师很高兴。Hepassedtheexam.Itmadetheteacherhappy.Hepassedtheexammadetheteacherhappy.Thathepassedtheexammadetheteacherhappy.,理解主语从句,.,他何时要来还不清楚。Whenwillhecome?Itisnotclear.Whenwillhecomeisnotclear.Whenhewillcomeisnotclear.,理解主语从句,.,Thathewillsucceediscertain.Whetherhewillcomemakesnodifference.Whatweneedismoretime.,找出主语从句,Tip:先找谓语,.,Thathewillcomeiscertain.Whetherhewillcomeisuncertain.,引导词,1)从属连词that和whether：,_只起引导作用，本身无意义，不充当任何分，但不能省略。whether不做成分，表“_”。在主语从句中只能用_,不能用_,that,是否,whether,if,.,Whowillgomakesnodifference.Whatweneedismoretime.WhichbookIshallchoosehasntbeendecided.,2)连接代词who,what,which,引导词,.,Whoevercomesiswelcome.WhateverIhaveisyours.Whicheveryouwantisyours.,3)连接代词whoever,whatever,whichever,引导词,whatever=anythingthatwhoever=anyonewho,.,Whenwewillleavehasntbeendecided.Howshekeepshealthyisasecret.Whyhecriesisnotclear.Wherethemeetingwillbeheldisnotknown.,4)连接副词when,where,how,why,引导词,.,1.引导词：从属连词that,whether；连接代词who,what,which；whoever,whatever,whichever;连接副词when,where,how和why。2.语序：陈述句语序3.在主语从句中只能用whether,不能用if,主语从句的特点：,.,Itiscertainthathewillwinthematch.,Thathewillwinthematchiscertain.,注解：一般来说主语从句都是放在,但有时为了使句子，避免头重脚轻,常用作，从而把主语从句放在,句首,保持平衡,it,形式主语,后面,.,这样就构成了下面一些常用句型:1)Itis+n.+thatItisapity/shamethat.可惜的是Itisasurprisethat令人吃惊的是Itisafactthat事实是Itiscommonknowledgethat是常识*_(很可惜)welostthematch.*_(这是事实)hecheatedintheexam.,Itisapitythat,Itisafactthat,.,1.令人吃惊的是他改变了主意。Itisasurprisethathechangedhismind.2.真可惜你错过了这么一个好机会。Itisapitythatyoumissedsuchagoodchance.3.事实是我们周围的污染正变得越来越严重。Itisafactthatthepollutionaroundusisbecomingmoreandmoreserious.,.,2)Itis+adj.+thatItscertainthat肯定Itispossible/likelythat.很可能Itisobvious/clearthat很明显Itistruethat的确Itisnecessaryimportantnatural.that*_(很可能)shewillcomebacktomorrow.*_(很明显)heisanEnglish.,+(should)+do,Itispossiblethat,Itisobviousthat,.,1.很可能他会申请这项工作的。Itislikelythathewillapplyforthejob.2.的确我犯了个错误。ItistruethatImadeamistake.3.有必要我们要学习英语。ItisnecessarythatweshouldlearnEnglish.,.,3)It+不及物动词+thatIthappenedthat.碰巧Ithit/struck/occurredtomethat我突然想起Itappears/seemsthat似乎，好像Itturnedoutthat原来*_(刚好)Iwasoutyesterday.*_(我突然想起)Iforgottosendtheletter.,Ithappenedthat,Itoccurredtomethat,.,1.好像是我错了。ItappearsthatIamwrong.2.碰巧他得去参加一个会议。Ithappenedthathehadtoattendameeting.3.我突然想起他会说英语。ItoccurstomethathecanspeakEnglish.4.原来他是Mary的朋友。ItturnedoutthathewasMarysfriend.,.,4)It+be+过去分词+从句Itissaidthat.据说Itisknowntoallthat.众所周知Itisreportedthat.据报道Itisbelievedthat.据相信;人们相信Itissuggestedthat+(should）do.建议*_(据报道)20peoplewerekilledintheaccident.*_(建议)weshouldeatmorevegetableanddomoreexercise.,Itisreportedthat,Itissuggestedthat,.,1.据说他已经去了上海。ItssaidthathehasgonetoShanghai.2.众所周知台湾是中国的一部分.ItisknowntoallthatTaiwanispartofChina.3.有人建议我们应该多做运动。Itissuggestedthatweshouldtakemoreexercise.,.,主语从句的规律,.,例1.Whenwillhecomeisnotknown.,规律一、主语从句一律用陈述语序，即主语在前，谓语在后。,正：Whenhewillcomeisnotknown.,.,例2.Hewillnotcometothemeetingthiseveningistrue.,正：Thathewillnotcometothemeetingthiseveningistrue.,规律二、连词that在从句中无实际意义，但不能省略。,.,例3.Ifthemeetingwillbeputoffhasnotbeendecidedyet.,正：Whetherthemeetingwillbeputoffhasnotbeendecidedyet.,规律三、whether可以引导主语从句，放在句首，但if不能,.,例4.Whenhewillcomeareapuzzle.,正：Whenhewillcomeisapuzzle.,规律四、主语从句的谓语动词多用单数第三人称形式。,.,Whenthemeetingwillbegin_(have)notbeendecidedyet.,has,Whentheywillstartandwheretheywillgo_(be)stillunknown.,Whenandwherethemeetingwillbegin_(have)notbeendecidedyet.,are,has,.,例51.Whatheneeds_thatbook.2.Whatheneeds_somebooks.,规律五、what引导的主语从句，可根据表语决定主句动词的单复数形式。,is,are,.,小试牛刀,.,他是不是我的孩子仍然是个问题。,Whetherheismychildremainsaquestion.,.,WhatIlikemostisyourhairstyle.,我最喜欢的是你的发型。,.,WhatIneedisrest.,我需要的就是休息。,.,HowDuLalabecomessuccessfuldependsonherhardwork.,杜拉拉如何成功取决于她的勤奋。,.,Itiscommonknowledgethatweshouldwearrainshoesonrainydays.,雨天要穿雨鞋（rainshoes）是常识。,.,2._theycansolvethequestionisstillunknown.A.IfB.WhichC.WhetherD.What,3._hesaidatthemeetingastonishedeverybody.A.WhyB.WhatC.ThatD.Who,4._isafactthatEnglishisacceptedasaninternationallanguage.A.ThereB.ThisC.ThatD.It,1._weneedmorepracticeisquiteobvious.A.WhatB.ThatC.WhenD./,.,Correctornot?,*Whenthemeetingwillbeheldhaventbeenknownyet.,.beheldhasntbeenknownyet.,Payattention:主语从句的谓语用单数形式,10,.,thecatdo,made,Whatthecatdidmadethebabycry.,What,cry,Makeasentence,30,.,1.Thequestionis_thefilmisworthseeing.2._weshallattendthemeetinghasntbeendecidedyet.,用whetherif填空,whether,Whether,10,.,Translatethesentence,*_(他们很需要帮助)isquiteclear.,Thattheyarebadlyinneedofhelp,20,.,talkabout,theuseofcellphone,Whattheyaretalkingaboutistheuseofcellphone.,Makeasentence,30,.,*Ifwewillhaveameetinghasntbeendecidedyet.,Correctornot?,Whetherwewill.decidedyet.,Payattention:放在名词性从句句首，表示“是否”，只能用whether,不能用if,10,.,Translatethesentence,*Itisknowntous_(马克.吐温怎样成为一位伟大的作家).,howMarkTwainbecameagreatwriter,20,.,report,getthehighestpoints,matchItisreportedthatYaoMinggotthehighestpointsinthematch.,Makeasentence,30,.,Correctornot?,Payattention:注意虚拟语气在名词性从句中的使用！在Itisnecessaryimportantnatural.that句型中，从句的谓语要用should+do的形式,Itisimportantthatweshouldfinish.,*Itisimportantthatwewillfinishtheworkontime.,10,.,Correctornot?,Payattention:此主语从句缺少成分-宾语，故用作成分的what来引导，而不用that。,Whatshewantstoknowis.,*Thatshewantstoknowiswhenthepartywillbeheld.,10,.,Correctornot?,Payattention:由that引导的主语从句放在句首，that不能省略。,Thathewillgiveup,*Hewillgiveuphisjobsurprisesallofus.,10,.,Translatethesentence,*_（她是否出席会议）isnotcertain.,Whethershewillattendthemeeting,20,.,Itmakestheteacherangrythatthechilddoesntknowtheanswer.,teacherangry,Dontknowtheanswer,Makeasentence,30,.,链接高考,【2013北京】31._makesthebooksoextraordinaryisthecreativeimaginationofthewriter.A.ThatB.WhatC.WhoD.Which【2013四川】6._yousaidatthemeetingdescribesabrightfutureforthecompany.A.WhenB.HowC.WhatD.That,.,【2013天津】15._IwanttotellyouisthedeeploveandrespectIhaveformyparents.A.ThatB.WhichC.WhetherD.What【2013重庆】28._struckmemostinthemoviewasthefathersdeeploveforhisson.A.ThatB.ItC.WhatD.Which【2013江西】30._oneofyoubreaksthewindowwillhavetopayit.A.WhoeverB.WhateverC.WhicheverD.Wher