琉球 りゅうきゅう 武術 ぶじゅつじゃなかったです
ryūkyū kobujutsujanakattadesu

Noun
Desu Copula

The polite, past negative form of 琉球古武術

1. Wasn't Ryukyuan ancient martial arts.

Past/Perfective
Negative
Polite
Casual Register