英语四级词汇考点归纳：主语从句

　　Every day that they write in their journals puts them a step closer to fluency, eloquence, and command of language.

　　英语四级译文:

　　他们每天在写日记，这会让他们表达更加流利和雄辩，距掌握语言更近了一步。

　　四级词汇讲解:

　　本句的主干是that puts them 。every day为时间状语;that引导的是主语从句;a step closer to fluency, eloquence, and command of language为宾语them的补语:

　　command作名词与介词of连用意为“使用或控制某事物，掌握”。如:

　　He has a good command of English.他精通英语。

　　英语四级考点归纳:

　　常见的主语从句有以下几种:

　　※ 由that引导。如:

　　That he hasn't called is odd.他没来电话真是很奇怪。

　　It's certain that prices will go up.物价要上涨是肯定的。

　　※ 由连接代词或连接副词引导。如:

　　Why they left wasn't important.他们为什么离开并不重要。

　　It was uncertain whether she would come or not.她来不来还不确定。

　　※ 由关系代词what或whatever引导。如:

　　What I want is a watch.我想要的是一块手表。

　　Whatever you did was right.你做的一切都是对的。