Ufc drills, plz help me self teach myself with drils?

im 15.. ive done kenpo karate for 10years and mma with 20+ year olds for 6 months when i turned 13. i quit so i can take a break. now i want to self teach myself at home fighting drills..im teaching myself to mix up kickboxing, muay thai, kenpo, and jujitsu.. i do drills combo punch/ kicks, grapple friends (nohomo, they want to learn to) and i shadow box..what are some other drils i can practice