No, but I knew how to ride a steed before coming here. [ Saber, unlike many others, has a ranking of A when it comes to the skill Riding. Therefore, it automatically translates in her mind regardless of what the beast is, she will ride it as though she's an expert at it. Even airplanes. ] Although I wonder if that was due to the Grail.

Regardless, if no one else has offered you lessons, I could try to teach you over the PokeGear.