高中名词性从句课件PPT格式课件下载.ppt
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高中名词性从句课件PPT格式课件下载.ppt
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,名词在句中主要作主语、宾语、表语和同位语。
TheboyisliMing.,主语,表语,Mr.Liang,a24-year-oldboy,teachesusEnglish.,主语,同位语,宾语,在英语的句子结构中,本来该由名词充当的主语、宾语、表语和同位语,由一个句子来充当,这个句子就叫名词性从句。
什么是名词性从句?
名词性从句,主语从句(TheSubjectClause),宾语从句(TheObjectClause),表语从句(ThePredicativeClause),同位语从句(TheAppositiveClause),名词性从句,主语从句,宾语从句,表语从句,同位语从句,主语从句在句中做-宾语从句在句中做-表语从句在句中做-同位语从句在句中-,主语,宾语,表语,同位语,1.Thathewillcomeiscertain.,2.Iknowthathewillcome.,3.ThetruthisthatIhavebeenthere.,4.Thefactthatshewaslatesurprisedus.,请判断出下列的句子属于哪种从句,WhatIwanttodoistakingabath.Thenewsthattheywonthegamespreadthewholeschool.Idontthinkheisanhonestboy.Thefactisthathestolethecar.Doyouknowthefactthathestolethecar?
Doyouknowthemanwhoisstandingoverthere?
Itissaidthattheywonthegame.,(主从),(同位语从句),(宾从),(表从),(同位语从句),(定从),(主从),主语从句,thatwhetherwhowhomwhosewhatwhichwhenwherewhyhow,从句引导词:
1.ThatheknowsJapaneseisknowntoall.,他懂英语,这一点大家都知道,令我惊讶的是在这儿见到他.,3.Whenhewillcomeisunknown.,4.Whetherheiscomingdoesntmattermuch.,他来不来没什么要紧的,他什么时候来不清楚.,他们是怎么登上山顶的仍是个秘密.,5.Itremainsasecrethowtheyclimbedupthemountain.,主语从句的位置1.在句首2.主语较长时通常放在后面,句首主语用It,主语太长了!
放到句尾,That无词义,不可省略,What“什么”,“所.的”,2.Whatsurprisedmewastoseehimhere.,When“什么时候”,主语从句不用if,位于句首,主语从句,主语从句在复合句中做句子的主语。
1.ThatmostofthesearenowthreatenedandmaydisappearisaseriousmattertothepeopleinBritain.,2.Whyhefailedtheexamwasntclear.,4.Itisapitythatshecannotcome.,3.Whetherhehasfailedtheexamwasntclear.,2)主语从句的连接词,1.连词that(无词义,不作成分,不能省略,只起连接作用);
whether(是否),不作成分,不用if.Thathewillcomeandhelpusiscertain.Whetherwewillsucceedisstillaquestion.,注意:
已确定的事由that引导;
没决定的事由whether引导.,他星期三来这里是肯定的。
ThathewillcomehereonWednesdayiscertain.,注意:
从句作主语时,就算是句子意思完整,都要加上从属连词that,他星期三是否来这里还不肯定的。
WhetherhewillcomehereonWednesdayisnotcertain.,注意:
that引导的主语从句放在句首很少,只是为了强调或谓语较长时才这样,3.连接副词when(ever),where(ever),how(ever),why,howlong,howoften,howsoon,howfar,howmany/much等.,Whenthetestwillbegivenisnotyetdecided.Howmuchwecanspendmustbeagreedon.,2.连接代词what,whatever,who,whoever,which,whichever,whose等.在从句做主语/宾语/表语,Whatyousaidisperfectlytrue.(宾语)Whoevercomeswillbewelcome.谁来都欢迎,连接代词和连接副词在句中既保留自己的疑问含义、又起连接作用,在从句中充当从句的成分。
在主语从句中作主语、宾语、表语、状语这些连接词不能省略;
注意,连接代词和连接副词在句中所做成分:
Whatcausedtheaccidentisacompletemystery.Whatevershesaidwasright.Whowillwinthematchisstillunknown.Whoevercomestothepartywillreceiveapresent.,Whenhellbebackdependsmuchontheweather.WheretheEnglisheveningwillbeheldhasnotyetbeenannounced.Whyhefailedtheexamwasntclear.Howthebookwillselldependsonitsauthor.,3)注意事项:
为了使句子结构平衡,避免头重脚轻,主语从句常用“it”作形式主语,把真正的主语放在后面。
主语从句后的谓语动词一般用单数形式。
常用句型如下:
Itisknowntousthathewillcomehere.,
(1)It+be+形容词+主语从句
(2)It+be+名词+主语从句(3)It+不及物动词+主语从句(4)It+及物动词的被动语态+主语从句,常用句型如下:
It+be+形容词主语从句,Itisnecessary/importantthat.是有必要/重要的Itisobvious/clearthat很明显Itiscertain/truethat是肯定的Itistruethat是事实Itisstrangethat很奇怪Itisnaturalthat是很自然的,It+be+名词主语从句,Itisapity/ashame真遗憾Itisasurprise.令人惊奇的是Itisafact事实是Itisanhonor是我的荣幸Itisawonder是奇迹,It+不及物动词that从句,Itappears/seemsthat似乎/看起来Ithappensthat.碰巧Itoccurredtomethat我突然想起Itdoesntmatterwhether,It+be+-ed分词主语从句,Itisbelieved/thoughtthat人们相信Itiswellknowntous/allthat.众所周知Ithasbeendecidedthat已经决定Itissaid/reportedthat据听说/据报道Eg:
Itisknowntoushowhebecameawriter.我们都知道他是如何成为一名作家的。
It+及物动词(被动语态)+主语从句,Itisapitythatwecantgo.Itiscertainthatshewilldowellinherexam.ItissaidthatMr.GreenhasarrivedinBeijing.Itdependsontheclimatewhethertheyaregoingshoppingtoday.,2.在主语从句中用来表示惊奇、不相信、惋惜、理应如此等语气时,谓语动词要用虚拟语气“(should)+do”,常用的句型有:
Itisnecessary(important,natural,strange,etc.)thatItissuggested(requested,proposed,desired,etc.)that,主语从句中的虚拟语气,Itissuggested,ordered,proposed,required,demanded,requested,insisted+that(should)doItisimportant,necessary,natural,desirable,strange,advisable,impossible+that(should)doItisapity,ashame,nowonder(难怪)+that(should)do,what引导主语从句时在句时在从句中充当句子成分,如主语,宾语,表语,而that则不然。
例如:
1)_yousaidyesterdayisright.2)_sheisstillaliveisagoodthing.,What,That,3.what与that在引导主语从句时的区别,用it句型翻译:
据说今年高一学生要学新教材.事实是他们靠自己完成了所有的任务.碰巧他们已经参加过军训了.众所周知,比尔盖茨是世界上最富有的人.我们应该养成好的学习习惯这很重要.,ItissaidthattheSeniorGradeonestudentswilllearnanewtextthisyear.,Itisafactthattheyfinishedalltheworkbythemselves.,Ithappenedthattheyhadhadtheirmilitarytraining.,Itiswell-knownthatBillGatesistherichestpersonintheworld.,Itisimportantthatwe(should)formagoodhabitofstudying.,II.表语从句,在句中作表语的从句叫表语从句。
1.Thatiswhyhedidntpasstheexam.,2.Thequestioniswherehehasgone.,3.Theproblemisthathehasgone.,4.Itlooks/seemsasif/thoughitweregoingtorain.,表语从句,从句同主语从句(11个),外加asif/引导词:
asthou
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