French language Q&A Forum

I'm still a bit confused. To change the sentence "Il ne veut pas me parler" to passé composé, it would be "Il n'a pas voulu me parler." Right? But we had an example in class that was: "En classe, la prof vous parle (à toi et aux autres élèves)?" In our response, we were supposed to change it to negative passé composé. The answer our instructor gave was "Non, en class, la prof ne nous a pas parlée." I'm not understanding why it wouldn't follow the structure of the first example and be "Non, en class, la prof n'a pas nous parlée." Could you please shed some light on the differences in sentence structure between this response and the first example, and what the rules are? Thanks in advance.

Why does the final sentence, "Plutôt fuir que d'être pris la main dans le sac," utilize être in "d'être pris" vs avoir like in "d'avoir pris." ???