in our school, which is really unorthodox, we learn one new form for each rank, as well as new kicking, punching and hapkido/aikido techniques heres a brief synopsis Yellow horse stance punch jab/reverse punch kicks (axe, front, roundhouse, side,) Purple Form I (modified Keecho hyung il boo) kicks (crecent, back) side punch/ backfist Orange Form II Sliding/ shuffle kicks break slide side kick Blue Form III charging kick break back kick Green form IV Counter (cat stance) kick advanced punching combo break front kick, elbow. thats as far as ive gotten, im working on getting green belt. some styles can have more than one form at a belt, it really depends on your club.