Complete the dialogues with can, may, could, can’t, mustn't: 1. — i watch tv a little longer today, mum? i’m sorry, you . little children watch tv late at night. 2. — i talk with the manager, please? one moment, please. sorry, the manager is out at the moment but you leave a message for him. 3. — i use your camera, dad? of course, you but be careful with it. 4. — i see your passport, please? here you are. i go now? yes, please. good luck. 5. — you smoke here. there is a special sign. excuse me, please. 6. — i ride a bike after dinner? of course you but you ride too fast because it’s very dangerous.