I'm doing the things that you've done这句话有语法错误吗

问题描述:

I'm doing the things that you've done这句话有语法错误吗
我在做你曾经做的事.用完成时好像有点奇怪.

没有问题,时态也没有问题.
你后面换成过去时:
I'm doing the things that you once did.