CFFT Modals of Obligation

You _______ tell anyone what I've told you. It's a secret. MUSTN'T/DON'T HAVE TO

I think you______ go to bed early tonight. You look really tired. SHOULD/MUST

Jerry ______ get up early this morning. He isn't going too work. MUSTN'T/DOESN'T HAVE TO

Living at home is great. I ______do anything because my mum does it all for me. MUSTN'T/DON'T HAVE TO

It's Meg's birthday tomorrow. I _________ forget to ring her. MUSTN'T/SHOULDN'T

You _________ touch elctrical things when your hands are wet. It's very dangerous. MUSTN'T/DON'T HAVE TO

Service is included so you ________leave a tip. MUSTN'T/DON'THAVE TO

You _____ leave yet. There's lots of time before the train goes. MUSTN'T/DON'T HAVE TO

The school rule is that children _____ leave the school without an adult if they are under fourteen. MUSTN'T/DON'T HAVE TO