《主语从句开课》PPT课件.ppt

《《主语从句开课》PPT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、Nounclausesasthesubject主语从句基本概念什么是主语主语：句子说明的人或事物,一般位于______。句首IlikeEnglish.Thetrainleft.Janeisgoodatplayingthepiano.Toseeistobelieve.Smokingisbadforhealth.Whathehassaidistrue.找出主语(名词)（不定式）（动名词）(从句）Thathewillsucceediscertain.Whetherhewillcomemakesnodifference.Whatweneedismoreti

2、me.找出主语从句Tip:先找谓语主语从句(SubjectClause)在句子中充当主语的就是主语从句。他通过了考试让老师很高兴。Hepassedtheexam.Itmadetheteacherhappy.Thathepassedtheexammadetheteacherhappy.理解主语从句他何时要来还不清楚。Whenwillhecome?Itisnotclear.Whenhewillcomeisnotclear.理解主语从句Thathewillcomeiscertain.Whetherhewillcomeisuncertain.引导词1)从属

3、连词that和whether：_____不做成分，无意义，不能省略。whether不做成分，表“_______”。that是否引导词连接代词WhoWhat、、WhichWhoeverWhateverWhicheverwhatever=anythingthatwhoever=anyonewho谁什么所…的…的样子哪一个无论谁无论什么无论哪一个引导词连接副词WhenWherehowWhy什么时候在哪里如何为什么Itiscertainthathewillwinthematch.Thathewillwinthematchiscertain.3.注解：一般来

4、说主语从句都是放在,但有时为了使句子,避免”头重脚轻”,常用作，从而把主语从句放在．句首保持平衡it形式主语后面1.Thatweshallbelateiscertain.It’scertainthatweshallbelate.2.Thattheearthisroundisknowntoall.3.Thatyoumissedthechanceisapity.Itisapitythatyoumissedthechance.It’sknowntoallthattheearthisround.这样就构成了下面一些常用句型:1)Itis+n.+thatIt

5、isapity/shamethat...Itisasurprisethat…Itisafactthat…Itiscommonknowledgethat…*_______________(很可惜)welostthematch.*______________(这是事实)hecheatedintheexam.ItisapitythatItisafactthat可惜的是……令人吃惊的是…事实是……是常识2)Itis+adj.+thatIt’scertainthat…Itispossible/likelythat...Itisobvious/cleartha

6、t…Itistruethat…Itisnecessaryimportantatural...that…sb+(should)+do…肯定…很可能……很明显…的确…1.的确我犯了个错误。ItistruethatImadeamistake.2.我们有必要学习英语。ItisnecessarythatweshouldlearnEnglish.3)It+不及物动词+thatIthappenedthat...Itoccurredtosbthat…Itappears/seemsthat…Itturnedoutthat…碰巧……某人突然想起…似乎，好像…原

7、来…1.好像是我错了。ItappearsthatIamwrong.2.碰巧他得去参加一个会议。Ithappenedthathehadtoattendameeting.4)It+be+过去分词+that+从句Itissaidthat...Itisknowntoallthat...Itisreportedthat...Itisbelievedthat...Itissuggestedthat+(should）do...*_________________(据报道)20peoplewerekilledintheaccident.*_____________

8、_____(建议)weshouldeatmorevegetableanddomoreexercise.Itisreport