模块三Unit1 语法讲解和训练 名词性从句

模块三Unit1 语法讲解和训练 名词性从句 2011/2/21 一、概述 在句子中起名词作用的从句称为名词性从句。名词性从句包括主语从句，宾语从句、表语从句和同位语从句。 二、名词性从句的引导词 1、连接代词：who, whom, whose, what, which, whoever, whatever等 2、连接副词：when, where, why, how等 3、从属连词: that, whether, if, as if, because (as if, because只引导表语从句) 连接代词和连接副词在句中不再是疑问词，因而从句中用陈述语序。 三、用法详解 （一）主语从句 1、主语从句用连接代词、连接副词和从属连词that, whether引导。that不可省略。 That you don’t like him has nothing to do with me. Whether John can do the experiment remains a question. Who will be sent abroad to further his studies is not announced. What surprised me most was that such a little girl can play the violin so well. 2、当主语过长时，常常用it作形式主语，而把真正的主语从句放在主句后面。常用句型有： 1) It +be +形容词（true, possible, certain, likely, surprising, strange, important…）+ that从句 It’s certain that she will do well in the exam. It’s likely that he will tell me everything about that night. 2) It +be +名词词组（no wonder, an honor, a pity, high time等）+that 从句 It’s a pity that he can’t come. It’s high time that you turned in your homework. 3) It +be