You ... listen to music at the theater.
mustn't
She ... see her dentist tomorrow.
must / will have to
You ... listen to the teacher at lessons.
must
They ... travel by train yesterday.
had to
Ann ... get up at 7 a.m. tomorrow.
must / will have to
You ... do it tomorrow.
must / will have to
I ... drive to Novosibirsk yesterday.
had to
I ... go to a new school yesterday.
had to
You ... use your phone at lessons.
mustn't
You ... do your homework.
must
You ... play games during a test.
mustn't
We ... cook a huge pizza yesterday.
had to
You ... smoke at school.
mustn't