Learning Naginata in Japanese

My Japanese is not very good, but sufficient to manage everyday life with only occasional help from my friends. When I learn Naginata, people speak to me in Japanese with an English word thrown in once in a while. I mostly learn by mimicking others and then watching what they do when they point out that I've made a mistake. Sometimes they have to move my hand or arm into the correct place. Despite not being good at Japanese, I don't feel like I have any problems trying to understand what I'm being taught. Though I think it'll be more difficult when I start learning shiai (sparring).