the pet dog doesn't want others to come.这是什么意思

问题描述:

the pet dog doesn't want others to come.这是什么意思
干嘛用doesn't,不用isn't?
to come是什么东西?
若详细解释就加分!谢谢

“干嘛用doesn't,不用isn't?”因为want 是动词,所以要用助动词搭配