The purpost of this meeting is to tell us hou to keep a pet.为什么这里系动词后面接的是to do?
问题描述：
The purpost of this meeting is to tell us hou to keep a pet.
为什么这里系动词后面接的是to do?
答
当主语是The purpose "目的”, decision决定, hope, wish, plan 等时, 由于指的都是以后的事情, 一般用不定式 to do sth 作表语
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