高中英语 unit4 主语从句上课课件 新人教版必修3

SubjectClause 学习目标 1 掌握主语从句的基本概念 2 能从句中找出主语从句 并翻译句子 3 能够概括出主语从句的引导词 4 学会根据句意选择恰当的引导词 RevisionFindthesubjectsinthefollowingsentences 1 Atreehasfallenacrosstheroad 2 Youareastudent 3 Tofindyourwaycanbeaproblem 4 Smokingisharmfultoyou 5 Whatshesaidisnotyetknown 6 Thatweshallbelateiscertain 7 It scertainthatweshallbelate 主语从句 在句中充当主语的从句叫做主语从句 1Thathewillcomeiscertain 2Whetheritwillpleasethemisnoteasytosay 3Whatseemseasytosomepeopleseemsdifficulttoothers 4Whichsidewillwinisnotclear 5Whyhediditremainsamystery 6Whentheywillstartisnotknownyet 7Howhebecameagreatscientistisknowntousall 8Whowilltakepartinthemeetinghasnotbeendecided 9Whoeverbreaksthelawwillbepunished 10Wheresheisfromisunknown Findthesubjectclausesinthefollowingsentences andtranslatethem 思考 主语从句有哪些引导词 这些引导词如何选用 主语从句的引导词 连词that whether连接代词who ever whom ever which ever what ever 连接副词where when why how 依据 缺什么补什么 原则确定正确的连词 所谓 缺什么补什么 是指句型结构与连词之间的关系 如果句子中缺主语 指人用who 指物用what 如缺宾语 指人用whom 指物用what 如缺时间状语用when 地点状语用where 原因状语用why 方式状语用how 定语用what或which 什么都不缺用that Wherehewillgoisunknown Whatyousaidyesterdayisright ThatheknowsJapaneseisknowntoall Whetherheiscomingdoesn tmattermuch Completethesentencesusingwhat whether where when who why howorthat 1 isneededforsuccess isyourhardwork 3 wewillgotomorrow hasn tbeendecidedyet 2 theywillarrive hasbeentoldtotheteacher 4 canjoininthesportmeet isdecidedbytheteacher 5 itwillrainornot isnotclear 7 theearthisasolidball isknowntousall What When How Where whether Who Whether That 6 theearthisbecomingwarm isagoodtopicforresearch Why 主语从句作主语时 谓语动词一般用单数形式 Conclusion 注意 Whatyouleftareonlyseveraloldbooks Whatyousaidisofgreatimportance Whetherhe llcomehereisnotclear 1 if 不能引导主语从句 应有 whether 引导 3 主语从句的 that 一般不能省 4 what 引导主语从句时 谓语动词 1 常与其后的名词作表语一致2 根据句子的语境而定 4 主语从句需注意的问题 2 主语从句中用陈述语序 1 youdon tlikehimisnoneofmybusiness 2 hesaidatthemeetingastonishedeverybodypresent3 the2000OlympicGameswillbeheldinBeijingisnotknownyet 4 we llgocampingtomorrowdependsontheweather 5 leavestheroomlastoughttoturnoffthelights That What Whether Whether Whoever 选择恰当的连接词 Makesentences It scertainthatwewillbelate Thatwe llbelateiscertain Wedon tknowwhetherheiscomingornot Whetherheiscomingisnotknown Wedon tknowwhathewantstotellus Whathewantstotellusisnotknown Whenyouwillcomebackdoesn tmatter Itdoesn tmatterwhenyouwillcomeback hemadeanimportantspeechatthemeetingwastrue A ThatB WhyC WhatD How 2 we llgocampingtomorrowdependsontheweather AIfBWhetherCThatDWhere Choosethebestchoice 3 Itworriedherabit herhairwasturninggray whetherB thatC whatD when4 WhatIsayandthink noneofyourbusiness A isB areC hasDhave It be 形容词 that从句 Itisnecessarythat 有必要 Itisimportantthat 重要的是 Itisobviousthat 很明显 It be ed分词 that从句 Itisbelievedthat 人们相信 Itisknowntous allthat 众所周知 Ithasbeendecidedthat 已经决定 用it形式主语的that从句有以下四种不同的搭配 It be 名词 that