He doesn't come from Beijing.助动词用doesn't 而不用don't 是不是因为come 是个动词啊

问题描述:

He doesn't come from Beijing.助动词用doesn't 而不用don't 是不是因为come 是个动词啊

..don't 只搭配I,YOU, WE, THEY,。。。。。。。。。
I don't, you don't, we don't they don't.. 一般现在时
he doesn't, she doesn't         一般现在时

he三人称的单数

原句没问题.
doesn't 用第三人称单数,是因为 主语he 是第三人称单数