receiving与received的区别

receiving与received是都是收到的意思，前者是动名词，表示正在发生的事情，而后者则是一般时态，区别可以从以下例子看出：

I haven't received any parcel from you for last three weeks, the one I am receiving is from another supplier. 我最近三周没有收到你的任何包裹，我收到的是另一个供应商的包裹。