You mustn't swim here., You mustn't use your mobile phone., You must do your homework on time., You must come on time to school., You mustn't park here., You don't have to eat or drink at the classroom., You mustn't run at school., You can't talk during the explanation., You must listen to the teacher., You mustn't cheat at exams or tests., You mustn't sleep in class., You have to work hard during the lessons., You don't have to come to school on Sundays., You can ride your bike here., You have to bring your material to school., You can walk your dog here.,

Modals - Must/Mustn't-Can't/ Have to - Don't have to/Can

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