I'm sorry that i can't tell you how to do it.(改为简单句）I'm sorry___ ___tell you how to do it

I'm sorry that i can't tell you how to do it.(改为简单句）I'm sorry___ ___tell you how to do it
I'm sorry that i can't tell you how to do it.(改为简单句）
I'm sorry___ ___tell you how to do it

I'm sorry that i can't tell you how to do it.(改为简单句）I'm sorry___ ___tell you how to do it
to not

I'm sorry ( for not ) tell you how to do it.

can not