It is a custom of giving present at Christmas这句话有语法错误吗?

问题描述:

It is a custom of giving present at Christmas这句话有语法错误吗?
如果it作为形式主语,那后面就该用that代替of成为从句,
1个回答 分类:英语 2014-10-02

问题解答:

我来补答
不是啦,giving present是动名词用法啦,所以前面要用介词of来连接.
但是要用that的话也可以,不过that后面就得再增加一个主语了,如:
It is a custom that people give presents at Christmas.
 
 
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