名词性从句精讲精练1-3

Grammar(1) 名词性从句 在复合句中起到名词作用的从句叫名词性从句，包括主语从句，表语从句，宾语从句和同位语从句。引导名词性从句的词有： 连词that，whether，if；连接代词和连接副词what, which, who, whom, whose, when, where, why，how等。 名词性从句可以表示两方面：一个事实，一个问题。问题又分两方面即一般问句和特殊问句，请看下图： 一、主语从句就是做主语的从句。它由 that 和其他疑问词引导。 1．That they are rich is true, isn't it? (that 不能省略) 2．Where he got it is unknown to us. 3．They lost their way in the woods, and what made matters worse was that night began to fall. 4．Whoever said that was wrong. 5．______ ______ _______ ______ _______ ______ ______ (地球围绕太阳转) is a truth. 6．_______ _______ _______ (任何努力学习的人) will pass the exam. 7．______ ____ _____ ______(我所告诉你的) just now was what had been written in the letter. 8．_______ ______ _________ _____ _______ _____ _____ ____( 我是接受礼物还是拒绝它)is none of your business. 有时用 it 作形式主语，而把真正的主语从句移到后面。其句型有： a. It + be +形容词+ that-从句 It is necessary/important that… 有必要/重要的是…… It is obvious that… 很明显…… b. It + be + -ed 分词+ that-从句 It is believed that…人们相信…… It is known to all that…从所周知…… It has been