You ...... carry your umbrella - it's a sunny day!
don't have to
They ...... study harder if they want to pass their exam.
must
Children ...... go to school.
have to
She ...... finish her homework if whe wants to go out.
has to
You ............. use your phone in the library!
mustn't
Lucy has a toothache, so I think she ...... go to the dentist.
should
You ...... eat fast food every day. It's bad for you!
shouldn't
She ...... wear a uniform at school. She can wear jeans.
doesn't have to
If Tom wants to be a doctor, he ...... finish university.
must
You ...... feed the animals in the zoo. It's forbidden!
mustn't
If you have an important exam tomorrow, you ...... go to bed late!
shouldn't
If you are feeling sick, you ....... go to the doctor!
should
You ...... go to that univeristy. It's too expensive.
shouldn't
You ...... use your mobile phone on a plane.
mustn't
I ...... study this weekend. It's my obligation as a student.
must
I ...... make my bed every morning. I know my parents need help at home.
must
You ................. have the right qualifications to work as a doctor.
have to
She ...... wake up early today - it's Sunday.
doesn't have to
You ...... help me now. Mum helped me this morning.
don't have to
You ...... do exercise every day. It's good for you!
should
I think you ...... be a nurse when you finish school. You're good with people.
should
You ...... listen to loud music. It's bad for your ears!
shouldn't
You ...... start a fire in this forest. It is prohibited.
mustn't
My husband is cooking tonight so I ...... do it!
don't have to
It is against the rules to smoke in here. You ...... do it!
mustn't