雅思写作语法解读：形式主语从句

 　　形式主语从句是雅思写作中非常常用的一种句型。我们先来看一下它是怎样构成的。(That+一个完整的句子可做主语)。比如说：(That education¹ is important² ) is clear³.这就是主语从句的基本形式。但如果句子要是这样，主语过长。所以，我们习惯于用it来代替原来的主语。而把原来的主语放在句子的最后。这句话可改为：It is clear that education is important.这就叫做形式主语从句。

　　以下的形式主语从句句型在雅思写作中都常常用到。希望大家能认真掌握，灵活使用。

　　1It is often the case that

　　2It’s a fact that

　　3It seems that

　　4It’s said that

　　5It’s reported that

　　6It’s believed that

　　7It’s universally accepted that

　　8It’s announced that

　　9It’s estimated that

　　10It must be admitted that

　　11It’s obvious that

　　12It must be stressed out that

　　13It is widely-accepted that

　　14It cannot be denied that

　　15It can be foreseen that

　　16It’s as clear as crystal that

　　17It goes without saying that

　　18 It is acknowledged that

　　19 It is well-known that

　　20 It is estimated that

1 education   

n.教育；培养

参考例句：

• He had a good education.他受过良好的教育。
• We mustn't cut the cost of education.我们不应该削减教育经费。

2 important   

adj.重要的；重大的；严重的

参考例句：

• It's important to find out what he is doing.弄清他在干什么是重要的。
• This is a very important problem.这个问题很重要。

3 clear   

vt.清除，扫清；adj.清晰的，明白的；晴朗的；清澈的，明亮的；畅通的，无阻的

参考例句：

• Clear the snow from the road.清除马路上的积雪。
• Is that clear to everyone?大家都明白了么？