2 * Choose the correct modal verb. 1 There is a long queue; you must/may be patient. 2 You have to/may be over sixteen to watch that film. 3 You don't need to/mustn't touch the wires. 4 She must/could pay her bill, or the electricity company will cut off the supply. 5 You shouldn't/couldn't go to bed so late. 6 I'm going to bed - I have to/should get up early tomorrow​