2 School rules. Read and choose. 1 You can't/don't have to run during the break. 2 | can/have to wear a uniform at school. All childr 3 You're in the library. You may/must be quiet. 4 Mr Green, may/must I ask you a question? 5 You mustn't/don't have to go to school on Su 6 May/Have I come in, please?