Knows what he is doing, but needs to be more supportive to the students. "you need to hcange this and this" instead "i think its really good, but you need to change the following" be more supportive!
Pfft knows nothing? HAH laughable. Very helpful, knows a lot more than you probably willing to admit and is quite awake incase you havent realised.
Very unhelpful, always takes other teachers sides against students. Is never in class, never on time