1.You mustn’t / must remember use your mobile phone while you’re putting petrol into your car. 2We ought / should to have set off earlier.
3You don’t got / have to tip taxi drivers, but they always appreciate it.
4Everyone will have to / better show their passport when we cross the border.
5We need / needn’t phone Maria – she’s expecting us.
6You didn’t need / needn’t have to pay for dinner, but it was lovely that you did.
7It is not able / not permitted to bring your own food into this dining area.
8We aren’t supposed to / allowed take these laptops out of this office.