Use must of mustn't. 1) You ... go out. It is raining heavily 2) Your room is untidy. You ... do it 3) Jane, you're ill.

I. 1) You mustn\'t go out. It is raining heavily. 2) Your room is untidy. You must do it. 3) Jane, you\'re ill. You must stay in bed. 4) Bob has a high temperature. He mustn\'t go to school. 5) It`s eleven o\'clock. Betty must go to bed. 6) Jill has a bad tooth. She mustn\'t eat much chocolate. 7) You mustn\'t play in the street. It\'s dangerous. II. 1) You have to be nicer to your parents. 2) I don\'t have to go home. Nobody is waiting for me. 3) He has to feed the dog at 6 p.m 4) You don\'t have to phone him. He knows everything. 5) She doesn\'t have to cook dinner. We are going out tonight. 6) She is very thin. She has to eat more.