英语语法主语从句公开课课件.ppt

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 WhichbookIshallchoosehasn tbeendecided 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 Whenwewillleavehasn tbeendecided 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 thatIt scertainthat 肯定 Itispossible likelythat 很可能 Itisobvious clearthat 很明显 Itistruethat 的确 Itisnecessary important natural 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 ItturnedoutthathewasMary sfriend 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 It ssaidthathehasgonetoShanghai 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 Whenthemeetingwillbeheldhaven tbeenknownyet beheldhasn tbeenknownyet 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 weshallattendthemeetinghasn tbeendecidedyet 用whether if填空 whether Whether 10 Translatethesentence 他们很需要帮助 isquiteclear Thattheyarebadlyinneedofhelp 20 talkabout theuseofcellphone Whattheyaretalkingaboutistheuseofcellphone Makeasentence 30 Ifwewillhaveameetinghasn tbeendecidedyet 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Itisnecessary important natural 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 Itmakestheteacherangrythatthechilddoesn tknowtheanswer teacherangry Don tknowtheanswer 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 struckmemostinthemoviewasthefather sdeeploveforhisson A ThatB ItC WhatD Which 2013江西 30 oneofyoubreaksthewindowwillhavetopayit A WhoeverB WhateverC WhicheverD Wherever 2013陕