Complete the dialogue with the modals from the box. Sometimes there is more than one correct answer. be able to - can - can’t - could - have to - may - might - must - ought - should Alice: Where are you going on holiday? Brad: To Switzerland. We're going skiing. Alice: Really? (1) ______ you ski? Brad: Well, I (2) ______ ski quite well when I was a child, but that was 10 years ago. I think I (3) ______ have some problems. Alice: No, you'll be fine. You'll (4) ______ be careful on the first day, but after a day or two of lesson you'll (5) ______ ski quite fast. Brad: Lessons? (6) ______ I have an instructor? Alice: Hmmm... yes, I think you (7) _______ to have some lessons. You don't (8) ______, but it's a good idea. Brad: I don't know. It (9) _______ be expensive. Alice: It (10) ______ be. Just a second, my friend is a ski instructor. He (11) ______ know a cheap instructor in Switzerland. You (12) _______ call him. Brad: Great. (13) _______ I have his number, please? Alice: Er ... I (14) ______ remember it. But my mum (15) ______ know it. Brad: Great. (16) ______ you ask her? Alice: Of course.