必修3+unit3语法名词性从句.ppt

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1、NounClause名词性从句NounClauses(名词性从句)SubjectClause(主语从句)AppositiveClause（同位语从句）ObjectClause（宾语从句）PredicativeClause（表语从句）Whowillwinthematchisstillunknown.Iwanttoknowwhathehastoldyou.Thefactisthatwehavelostthegame.Thenewsthatwewonthegameisexciting.主语从句宾语从句表语从句名词性从句的作用相当于

2、名词，因此主语从句、表语从句、宾语从句和同位语从句分别作主句的主语、表语、宾语和同位语。同位语从句ConjunctionsofNounClauses(引导名词性从句的引导词):从属连词(不作成分）连接代词（作成分）连接副词（作状语）what,who,whom,whose,which,wh+everthat,whether,if,asif/asthoughwhen,where,how,whyⅠ.主语从句1)Thatshelefthimhurtshimsomuch.2)Whetheritwillpleasethemisnotea

3、sytosay.3)Whatweneedismorepractice.4)Whenwewillbeginthemeetingisunderdiscussion.*that—只起引导作用，不充当成分，但不能省略。*whether是否，在从句中不作成分，不能省略*what在从句中作主语*When在从句中作状语注意:由that引导的主语从句有时为了使句子结构平衡,避免“头重脚轻”,常用it作形式主语,而把从句放在后面。1.Thathewillrefusethispieceofadviceisimpossible.2.Thatthe

4、yshouldlikeeachotherisnatural.Itisnaturalthattheyshouldlikeeachother.Itisimpossiblethathewillrefusethispieceofadvice.常用句型:1)Itis+n.+从句Itisapity/shamethat...遗憾的是……Itisasurprisethat…令人惊奇的是…Itisafactthat……是事实Itiscommonknowledgethat……是常识*_______________(很遗憾)welostthema

5、tch.*______________(这是事实)hecheatedintheexam.ItisapitythatItisafactthat2)Itis+adj.+从句It’scertainthat…肯定…Itispossiblethat...很可能……Itisunlikelythat...不可能……Itisobviousthat…很明显…Itisnecessaryimportantatural...that…*_________________(很可能)shewillcomebacktomorrow.*______

6、___________(很明显)thismeasureiseffective.+(should)+do…ItispossiblethatItisobviousthat3)It+不及物动词+从句Ithappenedthat...碰巧……Itoccurredtomethat…我突然想起…*________________(刚好)Icameintotheofficeatthattime.*____________________(我突然想起)Iforgettosenttheletter.IthappenedthatItoccurr

7、edtomethat4)It+be+过去分词+从句Itissaidthat...据说……Itisknowntoallthat...众所周知……Itisreportedthat...据报道……Itisbelievedthat...据信……;人们相信……Itissuggestedthat+(should）do...建议……Itmustbeadmittedthat…必须承认……Itcannotbedeniedthat…不可否认……Itmustbepointedoutthat…需指出的是……*___________________(

8、据报道)20peoplewerekilledintheaccident.*______________________(建议)weshouldeatmorevegetableanddomoreexercise.ItisreportedthatItissuggestedthat1.Ideci