You ... eat too much sugar. It's bad for your health.
mustn't
can
don't have to
must / have to
She ... go to school tomorrow because it's a holiday.
mustn't
can
doesn't have to
can't
We ... speak loudly in the library.
can
have to / must
don't have to
mustn't
He ... wear a uniform at school. It's a rule.
doesn't have to
can
mustn't
has to / must
You ... leave your bag here. It's not allowed.
have to
can
don't have to
mustn't / can't
We ... eat pizza for lunch today if we want to.
have to
can't
can
mustn't
I ...... study this weekend. It's my obligation as a student.
mustn't
must / have to
should
You ...... feed the animals in the Zoo. It's forbiden!
don't have to
must
mustn't
I ...... make my bed every morning. I know my parents need help at home.
must / have to
can
don't have to
You ...... help me now. Mum helped me this morning.
must
don't have to
mustn't
She ...... wear a uniform at school. She can wear jeans.
doesn't have to
can
must / have to
You ...... use your mobile phone in a plane.
mustn't
can
don't have to
They ...... study harder if they want to pass their exam.
must / have to
can't
don't have to
My husband is cooking tonight so I ...... do it!
must
can
don't have to
You ...... start a fire in this forest. It is prohibited.
can
don't have to
mustn't
If Tom wants to be a doctor, he ...... finish university.
doesn't have to
must / has to
mustn't
