4 Grammar: modals Choose the correct word or phrase. Danielle: Mum, (1) can/ must I go to Jack's party on Saturday? Mum: No, I'm sorry. You (2) can't/ don't have to. You've got a test on Monday. You (3) have to/ can study for that. Danielle: Oh, that's not fair! I (4) mustn't/ don't have to study. I know it all already. It's an easy test! You (5) don't have to/ shouldn't think that. You (6) could / must get a surprise. Mum: 3 Danielle: Please, let me go! Everyone will be there! Mum: Well, OK. But you (7) mustn't/ don't have to stay out after 11 o'clock. Danielle: 11? But it's Saturday night! Mum: Don't argue, or you (8) can't/ shouldn't go. Danielle: OK. I know when I (9) have to / could keep quiet! Thanks, Mum!