Parking here is prohibited.
You MUST/CAN'T park here.
At this school, it is compulsory for students to wear uniforms. - TO
At this school, students HAVE TO wear uniforms.
It's possible that she is ill, but I'm not sure. - BE
She MAY/MIGHT/COULD be ill, but I'm not sure.
It is forbidden for workers to use mobile phones in working hours. -
Workers CAN'T/MUSTN'T use mobile phones in working hours.
It is your duty to be in the classroom on time. - TO
You MUST/HAVE TO be in the classroom on time.
It isn't necessary that you come tomorrow.
You DON'T HAVE TO /DON'T NEED TO/ NEEDN'T come tomorrow.
You are allowed to eat at the restaurant without wearing a tie. TO
You DON'T HAVE/NEED TO wear a tie to eat at the restaurant.
What would you advise me to do?
What do you think I SHOULD DO?/What SHOULD I DO?
I'm not sure if he's coming tomorrow. He...
He MIGHT/COULD come tomorrow.
You needn't eat this if you don't like it. - TO
You DON'T HAVE/NEED TO eat this if you don't like it.
There is a possibility that the weather is sunny tomorrow.
The weather CAN/MAY/COULD/MIGHT be sunny tomorrow.
It's obligatory for everyone to wear protective clothing. Everyone...
Everyone HAS TO/MUST wear protective clothing
You shouldn't spend so much money! - LESS
You SHOULD spend less money!
It's possible for anyone to break into this house! Anybody...
Anybody CAN/ COULD/MAY/MIGHT break into this house!
Mary knows how to stand on her head. Mary ...
Mary CAN stand on her head.
Am I allowed to leave after I finish the exam?
CAN/MAY I leave after I finish te exam?
