名词性从句辨别下列名词性从句的类别：1.How the book will sell depends on its author.2.John said that he was leaving for London on Wednesday.3.The fact is that he has not been seen recently.4.The fact that he has not been seen recently disturbs everyone in his office. 5.He will talk to us about what he saw in U.S.6.It is impossible that I go and attend the meeting.主语从句宾语从句表语从句同位语从句宾语从句主语从句名词性从句又可分别称为名词性从句又可分别称为主语从句、宾语从主语从句、宾语从句、表语从句和同位语从句。句、表语从句和同位语从句。 引导名词性从句的连接词可分为三类： 连接词： that, whether, if 连 接 代 词 ： what, whatever, who, whoever, whom, whose, which. 连接副词： when, where, how, whythat 只起连接主句和从句的作用，在从句中不担任任何成分 , 本身也没有词义，宾语从句宾语从句中可省略 一．主语从句一．主语从句 主语从句是在复合句中充当主语的从句，通常放在主句谓语动词之前或由形式主语 it 代替，而本身放在句子末尾。 It It 作形式主语作形式主语 It 作形式主语代替主语从句，主要是为了平衡句子结构，主语从句的连接词没有变化。例如： It is a pity that you didn’t go to see the film. It doesn’t interest me whether you succeed or not. What I need is book. 二．宾语从句二．宾语从句 宾语从句就是在复合句中作宾语的名词性从句，通常放在主句谓语动词或介词之后。 1. 作动词的宾语 , 例如： I heard that he joined the army. She did not know what had happened. She told me that she would accept my invitation.2. 作介词的宾语，例如： Our success depends upon how well we can cooperate with one another. 3. 作形容词的宾语，例如： I am afraid (that) I’ve made a mistake. I am sure (that) he will win the game.4. it 可以作为形式宾语 it 不仅可以作为形式主语，还可以作为形式宾语而真正的宾语 that 从句则放在句尾，例如： We thought it good news that the fog had finally gone. 三．表语从句三．表语从句 表语从句...
