the ability to do that
No tengo la capacidad para hacer eso.
I don't have the ability to do that.
Creo que Tom tiene la capacidad para hacer eso.
I think Tom has the ability to do that.
Ojalá tuviera la capacidad para hacer eso.
I wish I had the ability to do that.
Tom no tiene la capacidad para hacer eso.
Tom doesn't have the ability to do that.