Too many small mistakes, mostly gun handling problems. Muzzle control was abysmal.
When teaching beginners, it's very important to always model proper, safe gun handling and to always correct (gently) every student error we see. That's the way to start forming the right habits.
"It is long been a principle of ours that one is no more armed because he has possession of a firearm than he is a musician because he owns a piano. There is no point in having a gun if you are not capable of using it skillfully." -- Jeff Cooper