名词性从句名词性从句 (2)(2)** 引导名词性从句的引导词归纳起来引导名词性从句的引导词归纳起来 可以分为下面三类。可以分为下面三类。(1)(1) 从属连词从属连词 whetherwhetherthatthat(2)(2) 连接代词连接代词whowhowhomwhomwhosewhosewhatwhatwhichwhich(3)(3) 连接副词连接副词when when whywhywherewherehowhow ,,if/as ifif/as if(( 只用于表语从句)只用于表语从句)*只起连接作用,*只起连接作用, 不充当从句 不充当从句 中的任何作用。 中的任何作用。*既起连接作用,*既起连接作用, 本身又做从句的本身又做从句的 主语主语、、宾语宾语、、 表语表语或或定语定语。。*既起连接作用,*既起连接作用,本身又做从句的本身又做从句的状语状语。。howhow manymany ,,how muchhow much ,,** 注意1注意1 .. 当主语从句较长时,多放在句子后部,用 当主语从句较长时,多放在句子后部,用 it it 作形式主语。作形式主语。It is probable It is probable that he told me everything.that he told me everything.It is certain It is certain that she will do well in her that she will do well in her exam.exam.例例 :: 可以肯定的是她将会在考试中表现出色。可以肯定的是她将会在考试中表现出色。she will do well in her exam is she will do well in her exam is certain.certain.主语主语例例 :: 他有可能告诉我所有东西。他有可能告诉我所有东西。He told me everything is He told me everything is probable.probable.主语主语××形式主语形式主语形式主语形式主语** 以以 itit 作形式主语,把主语从句后置的常用句型有:作形式主语,把主语从句后置的常用句型有:1. It+be+1. It+be+ 形容词形容词 +that+that 从句从句 certaincertain clearclear importantimportant necessarynecessary probableprobable possiblepossible+that – clause+that – clauseIt is/was+It is/was+1.1. 可以清楚的是他已经不再爱她了。可以清楚的是他已经不再爱她了。It is clear that he won’t love her any more.It is clear that he won’t love her any more.2.2. 重要的是我根本没有打过电话给他。重要的是我根本没有打过电话给他。It is important that I didn’t call him a...