有什么区别 come back→be back;come here→be here;close→be closed

问题描述:

有什么区别 come back→be back;come here→be here;close→be closed
那么come back 是返回
be back 就是 来的状态?

come back→be back;
come here→be here;
close→be closed
前者表示某动作,后者则表示状态.