Bonsoir j'aurais besoin d'aide pour cet exercice svp ne faite pas attention aux phrases que j'ai écrit merci d'avance

PROHIBITIONS:
He can’t eat chewing-gum during class. Our phone must be off while being in school. We are forbiddened to use any bad language.
OBLIGATIONS:
We need to be polite when talking to our teachers. We have to hand in the homework the D-day. We have to leave the classroom neat and clean.