Unit one(名词性从句)课件.ppt

《Unit one(名词性从句)课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit1GrammarNounClausesbyLiYunQuestions:1.什么是名词性从句？有哪些？本节课主要学哪几种？2.从句应该注意的时态与语序3.that什么情况下可以省略，是否在从句中作成份，是否有意思？4.whether和if什么时候可以互换，什么时候不可以互换。5.what的用法名词性从句NounClause在句子中起名词作用的句子叫名词从句(NounClauses）。名词从句的功能相当于名词词组,它在复合句中能担任主语、宾语、表语、同位语、介词宾语等，因此根据它在句中不同的

2、语法功能，名词从句又可分别称为主语从句(SubjectClause)、宾语从句(ObjectClause)、表语从句(PredicativeClause)和同位语从句(AppositiveClauseHaveALk1.Thatthebabycouldspeakmadehisparentsveryhappy.2.Iwonderwhetheryouwillgoshoppingorstayathome.3.Thisiswhyhewasoftenlateforschool.主语从句宾语从句表语从句名词性从

3、句NounClause主语从句SubjectClause宾语从句ObjectClause表语从句PredicativeClause引导名词性从句的连接词在名词性从句中的功能thatwhether/ifwhat,whichwho,whom,whosewhen,where,why,how不作成份，只起连作用，没有意思不作成份，只起连作用，意思：是否作主语，宾语，表语作主语/宾语/表语,宾语定语作状语主语从句SubjectClause在一个句子中由一个句子充当的主语，这个句子叫做主语从句。How

4、thebookwillselldependsonitsauthor.Thatheisthebeststudentintheclassisobvious.注意：1.whether与if均为“是否”下列情况下只用whether：1）.引导主语从句并在句首;表语从句;同位语从句Whetherhewillcomeisnotclear.Thequestioniswhetherhe’llcome.2）.从句作介词宾语I’mnotsureaboutwhetherwe’llwin.3）.从句后有"ornot"Wh

5、etheryoulikeitornot,you’llhavetodoit.4）.不定式前Shehasn’tdecidedwhethertogoornot.2.That在句首时不能省Thattheearthgoesaroundthesuniswell-knowntoeverybody.主语从句常用it作形式主语放句首用it作形式主语，that引导的从句是句子的真正主语。有以下四种不同的结构：a.It+be+形容词+that-从句Itisnecessarythat…有必要…Itislikely/imp

6、ortantthat…很可能/重要的是…Itisobviousthat…很明显……b.It+be+-ed分词+that-从句Itisbelievedthat…人们相信……Itisknowntoallthat…众所周知……Ithasbeendecidedthat…已决定……c.It+be+名词+that-从句Itiscommonsensethat………是常识Itisasurprisethat…令人惊奇的是……Itisafactthat…事实是……d.It+不及物动词+that-分句Itappears

7、that…似乎……Ithappensthat…碰巧……Itoccurredtomethat…我突然想起……及时巩固：surprisesmemostisthatheistoovain.(That/What)carswillbeparkedinthefutureisaquestion.(Where/Whether)thelittleboydiedinthebaby-sittercenterremainsamysterynow.(Why/How)wewillhaveapicnicdependsonthe

8、weather.(Whether/That)Stillneedstobediscussed.A.HowistheprojecttobecarriedoutB.HowtheprojectistobecarriedoutC.WhyistheprojectcarriedoutD.Whytheprojectcarriesout6.Whenandwhyhecamehere________yet.A.isnotknownB.arenotknownC.hasnotknownD.havenotbe