YOU...............SPEAK ENGLISH IN DARIO'S CLASS.
MUST
YOU..............BE POLITE WITH ELDERLY PEOPLE.
SHOULD
YOU...............USE YOUR MOBILE IN CLASS!
MUSTN'T
YOU...............LEAVE THINGS FOR THE LAST MINUTE. I THINK IT IS NOT A GOOD IDEA
SHOULDN'T
YOU..................AT YOUR PARENTS. IT IS RUDE.
SHOULDN'T .
YOU.................EAT SO MANY HAMBURGUERS. THEY ARE BAD FOR YOUR HEALTH.
SHOULDN'T
IF YOU FEEL TIRED, YOU ..............GO TO BED.
SHOULD
YOu.............smoke on buses in most countries, including ARGENTINA
MUSTN'T
YOU .....................WEAR A SEAT BELT IF YOU GO BY CAR.
MUST
YOU..............BE PUNCTUAL FOR YOUR CLASS. IT IS OBLIGATORY.
MUST