Push shots are caused by a swing that is too shallow and from the inside, many times caused by the body moving in front of the ball during the downswing and causing the club to get stuck behind the body
Use your eyes and vision to change your ball shape by getting your torso on top of your lower body to cure your hook
Place a cone behind you and practice your takeaway just trying to nick the top of the cone, if you hit the middle you are too far inside and if you take it back over the cone then your takeaway is going outside