You ... study if you want good grades.
must
She ... read yet. She's only 4 years old.
can't
I looked everywhere for my glasses, but I ... find them.
can't
You ... be late! We have a lot of work to do.
mustn't
The museum is free. You ... pay.
don't have to
He ... speak five languages. He's amazing!
can
I ... start saving money, but I also love buying new clothes.
should
You ... tell anyone! It's a secret.
mustn't
I .... swim. I'm too afraid of water.
can't
John's a millionaire. He .... go to work.
doesn't have to
You ... eat so much cake, it has a lot of sugar.
shouldn't
You ... practice a lot before the exam.
must