Sure! [ There's nothing does more than swing a sword around after all. ]

Probably the most important thing is getting used to the weight and balance of the sword. [ That has little to do with Clarke herself and he's not saying she's bad at anything, that's just a fact. ] You want it to feel like a natural extension of your hand. Everything else comes much easier after that, so practice yeah, but it's going to feel awkward until you're used to it.

Also... [ This is the real secret and something that all teachers would probably cry about. ] Form doesn't really matter much in a real fight. It's more important to be comfortable with what you're doing.