主语从句 公开课 精品课件 图文.ppt

主语从句 Herjobisteaching Whatshedoesisteaching 在句中充当主语的从句叫做主语从句 定义 1Thathewillcomeiscertain 2Whetheritwillpleasethemisnoteasytosay 3Whatseemseasytosomepeopleseemsdifficulttoothers 4Whichsidewillwinisnotclear 5Whyhediditremainsamystery 6Whentheywillstartisnotknownyet 7Howhebecameagreatscientistisknowntousall 8Whowilltakepartinthemeetinghasnotbeendecided 9Whoeverbreaksthelawwillbepunished 10Wheresheisfromisunknown 连接词 that 无实际意义 只起连接作用 是否 连接词如何选用 1 从句中什么成分都不缺 用2 从句中需要表 是否 的词 用3 其他 缺什么补什么 连接词的选用 that whether 如缺 哪一个 的意思 用 which 主语从句的连接词 连接词that whether连接代词who ever whom ever which ever what ever 等连接副词where when why how Thathewillrefusethispieceofadviceisimpossible Itisimpossiblethathewillrefusethispieceofadvice It作形式主语 it It作形式主语的四种常用句型 It be 名词 that从句It be 形容词 that从句It 不及物动词 that从句It be 动词的过去分词 that从句 1 Itis n 从句Itisapity 遗憾 afact asurprisethat 很遗憾 welosethematch 这是事实 hecheatedintheexam Itisapitythat Itisafactthat 2 Itis adj 从句Itispossiblethat It scertainthat 很可能 shewillcomebacktomorrow Itispossiblethat 3 It 不及物动词 从句Ithappenedthat 刚好 碰巧 Itoccurredtomethat 我突然想起 刚好 Icameintotheofficeatthattime 我突然想起 Iforgettosendtheletter Ithappenedthat Itoccurredtomethat 4 It be 过去分词 从句Itissaidthat Itisknowntoallthat Itisreportedthat 据报道 20peoplewerekilledintheaccident Itisreportedthat 主语从句的虚拟语气 表 应该 惊讶 惋惜 遗憾 等意义Itisimportant natural necessary strangethat 谓语形式为 should V 原形eg 很奇怪 他竟没有来 Itisstrangethat heshouldnotcome 表示 据建议 据要求 据命令 It be suggested advised ordered requested commanded insisted requiredthat 谓语形式为 should V 原形据命令 所有乘客必须接受搜查Itwasorderedthatallthepassengers should besearched Ifhewillcometothemeetingisnotcertain Whetherhewillcometothemeetingisnotcertain Itisnotcertainifhewillcometothemeeting Itisnotcertainwhetherhewillcometothemeeting 看句子正误 并总结规律 Conclusion 引导主语从句在句首只能用whether 有it作形式主语的whether if都可以 主语从句的其他规则 Whenhewillcomeareapuzzle 谜 Whenhewillcomeisapuzzle 看句子正误 并总结规律 Conclusion 含主语从句的主句谓语动词多用单数 主语从句的其他规则 Whatyoucanseeisapig Whatyoucanseeare2pigs 看句子正误 并总结规律 Conclusion what引导的主语从句 主句谓语动词单复数根据后面的意思而定 主语从句的其他规则 Whenwillhecomeisapuzzle Whenhewillcomeisapuzzle 看句子正误 并总结规律 Conclusion 主语从句一律用陈述语序 即主语在前 谓语在后 主语从句的其他规则 that whether if where how when why who what which etc Summary SubjectClause 2 whether if 1 that 3 it4 谓语动词5 语序 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 2020 3 15 19 可编辑 Pickuponenumberandfinishthetaskinit thenyoucangetsomepoints GameTime Correctornot Whenthemeetingwillbeheldhaven tbeenknownyet beheldhasn tbeenknownyet 10 thecatdid made Whatthecatdidmadethebabycry What cry Makeasentence 30 weshallattendthemeetinghasn tbeendecidedyet 用whether if填空 Whether 10 Translatethesentence 他们需要帮助 isquiteclear Thattheyneedhelp 20 talkabout theuseofcellphone Whattheyaretalkingaboutistheuseofcellphone Makeasentence 30 Ifwewillhaveameetinghasn tbeendecidedyet Correctornot Whetherwewill decidedyet 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 Itisimportantthatweshouldfinish Itisimportantthatwewillfinishtheworkontime 10 Correctornot Whatshewantstoknowis Thatshewantstoknowiswhenthepartywillbeheld 10 Correctornot Thathewillgiveup Hewillgiveuphisjobsurprisesallofus 10 Translatethesentence 她是否出席会议 isnotcertain Whethershewillattendthemeeting 20 Itmakestheteacherangrythatthechilddoesn tknowtheanswer teacherangry Don tknowtheanswer Makeasentence 30 Listentothemusicclip andfindoutthesubjectclauses whatdoesn tkillyoumakesyoustronger没能击垮你的让你愈加强壮standalittletaller站得更高doesn tmeani mlonelywheni malone孤身一人并不代表我孤单寂寞whatdoesn tkillyoumakesafighter没能击垮你的造就一名勇士 putthatthingonlighter步履轻盈doesn tmeani movercausey