主语从句用法详解(例句丰富)_高中英语语法

What I am afraid of is their taking him to Portugal. 我担心的是他们把他带到葡萄牙去。

What struck me was that they have all suffered a lot. 给我很深印象的是他们都受过很多苦。

二、主语从句与形式主语

有时为了考虑句子平衡，通常在主语从句处使用形式主语it，而将真正的主语从句移至句末。这分三种情况：

(1)

对于以连词that引导的主语从句，通常用形式主语代主语从句：

It’s a pity that he didn’t come. 很遗憾他没来。

It is important that he should know about this. 他必须知道此事。

It’s vital that we be present. 我们出席是至关重要的。

It was intended that you be the candidate. 大家的意图是让你当候选人。

It is important that this mission not fail. 这项使命不失败至关重要。

It is essential that a meeting be convened this week. 本周开一次会非常重要。

It is appropriate that this tax be abolished. 废除这个税是恰当的。

It’s unfair that so many people should lose their jobs. 竟有这么多人失业这是不公平的。

It’s amazing that she should have said nothing about it. 她竟未谈及此事令人惊讶。

It’s unthinkable that they should deny my request. 他们竟然拒绝我的请求，这是不可思议的。

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