名词性从句课件.ppt.pptVIP

用if 或whether 填空 1. I don’t know __________ I’ll be free tomorrow. 2. I don’t know _______ or not I’ll be free tomorrow. 3. The question is ______ this book is worth writing. 4. It depends on ______ we will have enough money. 5. ______ they can do it matters little to us. 6._______ you are not free tomorrow , I’ll go without you. * * 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 名词从句又可分别称为主语从句、宾语从句、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, why 1。that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，宾语从句中可省略 2。不充当介宾 3。 引导主语从句、表语从句和同位语从句,that不可省略。 That/wh-clause + v +…主语从句 S +be/link.v + that/wh-clause表语从句 S + vt + that/wh-clause宾语从句 S + vi + prep + wh-clause宾语从句 　 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。 1. It 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 引导主语从句时在句时在从句中充当句子成分，如主语．宾语．表语，而that 则不然。例如： 1) ______you said yesterday is right. 2) ______she is still alive is a good thing. It is right what you said yesterday. It is a good thing that she is still alive. What That 2. what 与that 在引导主语从句时的区别 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 (及物动词) 或介词之后。 1. 作动词的宾语 (1) 由that引导的宾语从句(that 通常可以省略), 例如： I heard that he joined the army. (2) 由what, whether (if) 引导的宾语从句，例如： She did not know what had happened. I wonder whether you can change this note for me. (3) 动词＋间接宾语＋宾语从句。例如： She told me that she woul