He has to cook lunch.
He must cook lunch.
He needn't work.
He doesn't have to work.
She has to dance.
She must dance.
He needn't use a computer.
He doesn't have to use a computer.
You can't smoke here.
You mustn't work here.
They must paddle.
They have to paddle.
You can't take your dog there.
You mustn't take your dog there.
You must try it on.
You have to try it on.
He doesn't have to play the guitar.
He needn't play the quitar.
Do they have to make noise?
Must they make noise?
Must they drink water?
Do they have to drink water?
You must drive carefully.
You have to drive carefully.
He needn't ride a bike.
He doesn't have to ride a bike.
He needn't play football.
He doesn't have to play football.
Children can't swim alone.
Children mustn't swim alone.
We must go home now.
We have to go home now.
