1 You mustn’t / don’t have to be late for lessons.
2 Eva is on holiday. She mustn’t / doesn’t have to do any homework.
3 We’re early. We mustn’t / don’t have to hurry.
4 You mustn’t / don’t have to talk in a test.
5 There’s a lot of food in the fridge. He mustn’t / doesn’t have to go shopping.