how to control a bad child

It all depends. It's not neccesary that a child who does not listen to his parent is a bad boy/girl. And ,,children are more willing to listen to the one who they are well understand.So,give more of you spare time to them. Then they will make you their buddy.If so, they will do things you asked . Do you notice that, we are easily to form frindships by doing something bad.So ,you can make tricks towards somebody with him/her together.When he realized that both of you are standing on the same side of the fence--congratulations.Hope these words will be useful for you.