《主语从句开课》PPT课件.ppt

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.Whatweneedismoretime.,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.Itscertainthatweshallbelate.2.Thattheearthisroundisknowntoall.3.Thatyoumissedthechanceisapity.,Itisapitythatyoumissedthechance.,Itsknowntoallthattheearthisround.,这样就构成了下面一些常用句型:1)Itis+n.+thatItisapity/shamethat.ItisasurprisethatItisafactthatItiscommonknowledgethat*_(很可惜)welostthematch.*_(这是事实)hecheatedintheexam.,Itisapitythat,Itisafactthat,可惜的是,令人吃惊的是,事实是,是常识,2)Itis+adj.+thatItscertainthatItispossible/likelythat.Itisobvious/clearthatItistruethatItisnecessaryimportantnatural.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.ItoccurredtosbthatItappears/seemsthatItturnedoutthat,碰巧,某人突然想起,似乎，好像,原来,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.*_(建议)weshouldeatmorevegetableanddomoreexercise.,Itisreportedthat,Itissuggestedthat,据说,众所周知,据报道,据相信;人们相信,建议,主语从句的规律,例1.Whenwillhecomeisnotknown.,规律一、主语从句一律用陈述语序，即主语在前，谓语在后。,正：Whenhewillcomeisnotknown.,例2.Hewillnotcometothemeetingthiseveningistrue.,正：Thathewillnotcometothemeetingthiseveningistrue.,规律二、连词that在从句中无实际意义，但不能省略。,例3.Ifthemeetingwillbeputoffhasnotbeendecidedyet.,正：Whetherthemeetingwillbeputoffhasnotbeendecidedyet.,规律三、whether可以引导主语从句，放在句首，但if不能,例4.Whenhewillcomeareapuzzle.,正：Whenhewillcomeisapuzzle.,规律四、主语从句的谓语动词多用单数第三人称形式。,Whenthemeetingwillbegin_(have)notbeendecidedyet.,has,Whentheywillstartandwheretheywillgo_(be)stillunknown.,Whenandwherethemeetingwillbegin_(have