You _____ smoke if you're pregnant.
shouldn't
You needn't come with me if you don't want to.
You don't have to come with me if you don't want to.
Felicia knows how to a split leap.
Felicia can do a split leap.
I think you _______ see a doctor.
should
I'm pretty sure that Sophie feels really unhappy.
Sophie must feel really unhappy.
You _____ help your grandmother with the cooking.
should
You're not allowed to bring outside food and drinks into the cinema.
You must not bring outside food and drinks into the cinema.
Chloe _____ cook tonight because she's going to a restaurant.
doesn't have to
What would you advise me to do?
What do you think I should do?
We _____________ rush. We've got plenty of time.
don't have to
You _____ eat too much cake, or you'll get fat!
mustn't
You ______ eat so much chocolate, or you'll be sick.
must not
You ____ obey the rules strictly, or you'll be disqualified.
must
You ____ finish your food.
must
I ______ spend too much money today, as I've only got a little left.
must not
It's impossible for anyone to break into this mansion.
Anybody can not break into this mansion.