come和coming的区别 - promise

promise come: 承诺来。"I shall only come if you promiae not to do what you said，" insisted the boy. 男孩坚持说"只要你承诺不和你说的那样我就来"。

coming: adj.即将发生的下一个的刚刚开始的v.来到达……n.（新事物的）到来。where's that smell coming from?这种气味来自哪儿?