Составь те предложение со словом "must".
have/has to, 
need, 
can,
don't/doesn't  have to. 
don't/doesn't need to
musn't
can't

I can play the piano.My brother can't come and help me in the garden.You must work hard on your English.You mustn't talk at the lessons.I have to go to the theatre.I don't have to go there.You need to go to the restroom.She thinks that she doesn't need to go to the church.