Match the sentences with the rules. 1 We have to arrive at school at 8.30. 2 You don't have to bring food to the party, but you can if you like. 3 You must follow the rules at school. 4 We mustn't leave school during the day. a) We use must to show obligation. b) We use have to to show obligation. c) We use mustn't to show prohibition. d) We use don't have to to show there is no obligation to do something. plisss na teraz DAJE NAJ!!!