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
答
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