Prepare you listening test :
MUST / MUSTN’T
https://learnenglishkids.britishcouncil.org/en/grammar-practice/modals-must-and-mustnt
https://learnenglishkids.britishcouncil.org/en/grammar-videos/school-rules
https://www.englisch-hilfen.de/en/exercises/modals/must_not.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=5140
CAN/ CAN’T
https://learnenglishkids.britishcouncil.org/en/grammar-practice/modals-can-and-cant
https://www.eslgamesplus.com/must-cant-modal-moonshot/
PRONONCER CAN et MUST