名词性从句主要包括主语从句、宾语从句、表语从句和同位语从句。一、主语从句1.主语从句在复合句中作主句的主语。引导主语从句的从 属连词、连接代词和连接副词如下:who,that,which,what,when,where,how,whether,why,whoever,whichever,whatever 等。What I want to drink is coffee.我想喝的是咖啡。That you are coming to London is the best news I have heard this long time.长久以来我听到的最好的消息就是你要来伦敦。When they will come hasn't been made public.他们来的时间没有公布。Whatever you want can be found here.你在这里可以找到任何你想要的东西。 2.主语从句可以放在句子后面,而用 it 作形式主语放在 句首,尤其是从属连词 that 引导的主语从句常用于此 种句式中,即:It+be+adj./n.+thatclause。但 what,whatever,whoever,whichever 引导的主语从 句一般不后置。 It is possible that I may not be able to come. 我有可能不能来了。 It is a pity that you missed such a fine talk. 很遗憾你错过了如此美好的谈话。3.whoever,whatever,whichever 引导的主语从句(1)whoever 相当于 anyone who,表明泛指关系,表示 “任何……的人都,凡是……的人都”。 Whoever comes will be welcome.谁来都是受欢迎的。(2)whatever 相当于 anything that,表示“无论什么……”。 Whatever was said here must be kept secret. 在这里所说的一切都要保密。(3)whichever 意为“无论哪个,无论哪些”。既可指人,也 可指物;既可单独使用,也可修饰名词,也可以跟 of 短语 连用。 Whichever of us fulfils his task first will lend a hand to others. 无论我们中哪一个先完成了任务都将帮助其他人。 Whichever book you choose doesn't matter to me. 你选哪本书不关我的事。4.what 与 that 引导主语从句的区别 what 引导主语从句时,表示“所……的(东西)”,并且 在从句中充当句子成分;而 that 作为从属连词,引导主 语从句时,其本身没有实际意义,不充当句子成分,通 常不可省略。用心 爱心 专心1 What she was afraid of was their taking her daughter abroad. 她害怕的是他们带她女儿出国。 That he will refuse the offer is unlikel...