2013年商务英语考试语法解析：表语从句

2013年商务英语考试语法解析：表语从句

一、定义：

A. 表语从句就是用一个句子作为表语。说明主语是什么或者怎么样，由名词、形容词或相当于名词或形容词的词或短语充当，和连系动词一起构成谓语。

例句：The problem is when we can get a pay rise. 问题是，当我们可以得到加薪。

B. 连接表语从句的连接词有：that, what, who, when, where, which, why。例句：

He has become what he wanted to be ten years ago.
他已经成为了他10年前想成为的。

She has remained where I stood yesterday for an hour.
她一直在我昨天站的地方站了一个小时。

His suggestion is that we should stay calm.
他的建议是，我们应该保持冷静。考试网(www．Examw。com)

The question is when he can arrive at the hotel.
问题是，他什么时候可以到达酒店。

二、注意：

A. 表语从句一定要用陈述语序。

False: The question is when can he arrive at the hotel.
Right: The question is when he can arrive at the hotel.

B. 不可以用if，而用whether连接表语从句（as if 例外）；
引导宾语从句时可以互换if/whether，位于介词后要用whether；
位于句首时要用whether；
引导表语从句，主语从句，同位语从句时要用whether。

False: The question is if the enemy is marching towards us.
Right: The question is whether the enemy is marching towards us.
Right: It looked as if he had understood this question.

C. 不像宾语从句，在有表语从句的复合句中，主句时态和从句时态可以不一致。

Right: The question is who will travel with me to Beijing tomorrow.
Right: The question is why he cried yesterday.

D. that在表语从句中不可以省掉。