На примере правил дорожного движения написать несколько предложений (5 - must, 5 - mustnt) на английском языке. Можно взять правила поведения в общественном месте.

you must recycle glass there you must drive slowe you must stop you must always to wear a seatbelt you must follow the speed limit you must not ride yoy bike there you must not park here you must not go through a red light you must not use your mobile phone while driving you must not throw your rubbish here