Tell your child what
behaviors you want at her receptive language level.
Set rules for a few important ones; follow through with immediate consequences. Learn effective use of time-out from "Little People" by Christopherson & 1-2-3 Magic. It's her job to test limits & your job to maintain safe limits. Give her lots of "time-in", immediately reward behaviors you want. Read, play & ignoring mildly annoying behaviors.