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时间:2020-01-21
《必修3+unit3语法名词性从句.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、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
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