3 unit 4主语从句

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1、课题：BookIIIUnit4内容：主语从句课型：语法课编号：No.4主编：刘秀春审核:张海军审批：高向军【学习目标】1.学习归纳并掌握主语从句的构成及用法。2.在真实情景中熟练运用，提高学生阅读的积极性。【使用说明】1.25分钟自主学习；结合“方法点拨”仔细观察所给例句；2.10分钟自主归纳出语法规则；3.10分钟合作探究，完成巩固练习。【自主学习】I.Revision1.Isay(that)todayisahappyday.()2.That’sbecausemanygoodteacherscometoourclass.()3.Idon’tknowwhetherhewillcomeon

2、time.()4.Thefactisthathedoesn’tlikeplayingfootball.()II.感知下面句子。1.Youareastudent.2.Smokingisbadforyou.3.Tofindyourwaycanbeaproblem.4.Theboyisveryclever.5.Thatweshallbelateiscertain.6.Itiscertainthatweshallbelate.III.课文原句1.Whatitwastobecomewasuncertain.2.Itwasnotclearwhethertheshapewouldlastornot.3

3、.Whatisevenmoreimportantisthatastheearthcooleddown,waterbegantoappearonitssurface.4.Itwasnotimmediatelyobviousthatwaterwastobefundamentaltothedevelopmentoflife.5.Whatmanyscientistsbelieveisthatthecontinuedpresenceofwaterallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas.6.Whytheysu

4、ddenlydisappearedstillremainsamystery.7.Sowhetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.III.主语从句1.连接词【方法点拨】宾语从句：___________________表语从句：__________________用作_____的从句叫主语从句，它是名词性从句之一。51)由连词that引起的主语从句：Thathelikesplayingfootballisknowntous.他喜欢踢足球是众

5、所周知的。2)由连词whether引起的主语从句Whethertheywillsellthehouseisnotyetdecided.他们是否卖掉这所房子还没有决定。Practice：1._____youdon’tlikehimisnoneofmybusiness.2.________hewillhostthemeetingisnotknownyet.3._______we’llgocampingtomorrowdependsontheweather.4.Ifthepolicemenwillcomeisnotcertain.(改错)3) 连接代词who, whom, whose, wha

6、t, which, What she did is not yet known.Whowilldotheworkhasnotbeendecidedyet.whatever,whoever,whichever也可引导主语从句。Whateverwassaidheremustbekeptsecret.这里说的话都应当保密。Whoevermakesmistakesmustcorrectthem.凡犯了错误的人都必须改正。4) 连接副词 where, when, how, why等。How this happened is not clear to anyone. Whenhewillbeback

7、dependsontheweather.Howthepyramidswerebuiltisstillamystery.2.主语从句的语序：陈述语序改错练习Whereshallwespendtheholidayisn’tdecided.3.主谓一致1）单个主语从句做主语时，谓语用单数。Whosewatchwaslostisunknown.2）但由and连接的多个从句做主语时，谓语动词多用复数。Whathewilldoandhowwew