I ...... study this weekend. It's my obligation as a student.
mustn't
must / have to
You ...... feed the animals in the Zoo. It's forbiden!
must
don't have to
mustn't
I ...... make my bed every morning. I know my parents need help at home.
don't have to
must / have to
You ...... help me now. Mum helped me this morning.
don't have to
mustn't
must
She ...... wear a uniform at school. She can wear jeans.
doesn't have to
must / have to
You ...... use your mobile phone in a plane.
don't have to
mustn't
They ...... study harder if they want to pass their exam.
don't have to
must / have to
My husband is cooking tonight so I ...... do it!
don't have to
must
You ...... start a fire in this forest. It is prohibited.
don't have to
mustn't
If Tom wants to be a doctor, he ...... finish university.
must / has to
doesn't have to
mustn't
She ...... wake up early today - it's Sunday.
doesn't have to
mustn't
She ...... finish her homework if she wants to go out.
have to
must
It is against the rules to smoke in here. You ...... do it!
don't have to
mustn't
You ...... carry your umbrella - it's a sunny day!
must
don't have to
The team ...... score 5 more points if they want to win!
must / has to
doesn't have to
Iron Man ...... stop Thanos. If not our world will be in danger!
have to
must / has to
