托福语法(名词性从句).ppt

《托福语法(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、TOFELGRAMMARNounClause本节目标名词性从句学习掌握并运用主语从句宾语从句表语从句同位语从句简单句VS.复合句简单句复合句Theideaisridiculous.Thattheearthisroundisridiculous.Hetoldmethetruth.Hetoldmethattheearthisround.Mytheoryisajoke.Mytheoryisthattheearthisround.Themagazine,NationalGeography,tellsusthecomm

2、onknowledge.Themagazine,NationalGeography,tellsusthecommonknowledge.---------------------------------------------------------------------------------------------------------名词性从句–四种成分在英文中，名词或名词短语主要充当四种成分：主语、宾语、表语和同位语（见上表第一列）。如果我们把句子当做名词来用，分别在另一个句子中作主语、宾语、表语

3、和同位语（见上表第二列），于是构成了四种从句：主语从句、宾语从句、表语从句和同位语从句。因为这四种从句在本质上相当于名词的作用，所以我们把它们统称为名词性从句。名词性从句–三种句子Thattheearthisroundisafact.Myquestioniswhetherpeoplewillliveonthemoonsomeday.Scientistshavearguedoverthequestionwhetherthereislifeonotherplanets.Idon’tknowhowmanylette

4、rsthereareintheEnglishalphabet.陈述句、一般疑问句、特殊疑问句名词性从句–本质Thattheearthisroundisafact.(Theearthisround.)Myquestioniswhetherpeoplewillliveonthemoonsomeday.(Willpeopleliveonthemoonsomeday?)Scientistshavearguedoverthequestionwhetherthereislifeonotherplanets.(Isther

5、elifeonotherplanets?)Idon’tknowhowmanylettersthereareintheEnglishalphabet.(HowmanylettersarethereintheEnglishalphabet?)陈述句变名词性从句–主语从句Hedoesn’tunderstandEnglish.很显然他不懂英语。Thathedoesn’tunderstandEnglishisobvious.月球本身不发光这是一个常识。Thatthemoonitselfdoesnotgiveofflig

6、htiscommonknowledge.地球是圆的，这是真理。Thattheearthisroundisatruth.原则在陈述句句首加上that，然后把“that+陈述句”这一结构分别放在另一个句子的四种位置即构成了四种名词从句。it作形式主语为避免头重脚轻，常常用it作形式主语置于句首，而将主语从句放在句尾。很显然他不懂英语。Itisobviousthathedoesn’tunderstandEnglish.月球本身不发光这是一个常识。Itiscommonknowledgethatthemoonitsel

7、fdoesnotgiveofflight.地球是圆的，这是真理。Itisatruththattheearthisround.你没通过这次考试真遗憾。Itisashame/pitythatyoudidnotpassthetest.常见的主语从句句型–it作形式主语Itis+过去分词+that从句：It’sreportedthat…据报道。。。It’sbelievedthat…人们相信。。。It’sgenerallythoughtthat…人们普遍认为。。。Itshouldbenotedthat…应当注意。。。

8、Ithasbeenfoundthat…现已发现。。。Itmustbepointedoutthat…必须指出。。。同样可以这么用的词有:say,expect,know,estimate,forecast等。常见的主语从句句型–it作形式主语Itis+形容词+that从句：Itisclearthat…显然。。。Itispossible/likelythat…很可能。。。Itisnaturalthat…