I have to wear my school uniform.
I must do my homework every day.
I must go to school, if I am not ill.
I have to get up early and go to school.
I must respect my teachers.
I mustn`t violate school rules.
I have to eat lunch at school.
I must go to school everyday.
You must give me my pen.
Nik must do his homework.
Roxi must go to sleep.
Helen musn't sleep.
Oxana musn't live in Moscow.
He musn't love her.
Natasha musn't go to school.
