???
He should close the tab!
???
He should pick up the poop before leaving or he should pick up the poop
???
He must not be late to work
???
You/we must respect older people
???
You must drive carefully
???
We must wear a helmet (when riding a bike, motorcycle,scooter, etc)
Lucky you!!
You got 20 points for your team!!
???
You must wear the seatbelt
???
We must be quiet in the library
