You must / can be quiet in your lessons.
must
Pupils mustn't / can be late
mustn't
Must / Can I have an ice cream?
Can
You must / can't be brave.
must
Pupils can / must be careful with the books.
must
We can't / must clean our teeth every day.
must
You __________ sit in the sun too long.
mustn't
You __________ listen to your teacher.
must
You can / mustn't play basketball in the kitchen.
mustn't
You did your homework. You ___________ go to the party.
can
We must / can't help each other.
must
Pupils must / can't fight in school
can't
You ___________ go far.
mustn't / can't
Can / Must I ride your bike?
Can
Can / Must I play computer games after school?
Can
You can / mustn't draw on the desk
mustn't