2) They mustn't go without us! Tell them to wait.
3) We mustn't get up late on Saturday. We need to catch the bus at 9 o'clock.
4) Must I help around the house now? I'm watching my favourite programme!
5) Joel mustn't stay out late tonight. He's got an important match tomorrow.
6) Why must you watch football all the time? I hate it.
7) You must tell me about your trip Bogotá.
8) We must remember to text Jenny about the cinema.