I'm sorry but I will visit my uncle this Friday.该句对吗

问题描述:

I'm sorry but I will visit my uncle this Friday.该句对吗
请问此句是否病句?如何改?

是不是应该这样?
I'm sorry,but I have to visit my uncle this Fri.
这样逻辑比较清晰 不然之前的有歧义.