1 You mustn't park here. It is a no parking zone.
2 Vince has to finish a report tonight, so won't be going out to dinner.
3 Georgia must see a doctor about her sore throat
4 John can use his computer to make professional presentations.
5. Could you please close the window? I'm cold.
6 He must be rich. Look at his car
7 You don't have to work this Friday. It's a bank holiday
8 Trevor may agree to your proposal, so tell him about it tomorrow.