关于important 的to 和for

来源：学生作业帮编辑：大师作文网作业帮分类：英语作业时间：2024/11/16 03:56:20

关于important 的to 和for
我们都知道一个固定句型：It's important for sb to do sth .
那么to do sth调到前面做主语呢?
TO do sth is important for sb?to sb?用哪个?理由?谢

To do sth is important for sb 是对的,因为这句话的意思是“做什么事对某人来说是重要的”,而“对某人来说”只能用介词“for”.另外,It's important for sb to do sth这个句型本来就是从To do sth is important for sb 这个句子演变而来的,由于用不定式“to do sth”做主语显得头重脚轻,所以我们用it 作形式主语,句子改变为It's important for sb to do sth,实际上真正的主语还是to do sth.
再问：那doing sth is important for sb 也对？

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