Complete the list of school rules, using must, mustn't or (don't) have to. COBURG HIGH SCHOOL Students who are new to the school please note the following: • You 1) ........ be on the school grounds at least ten minutes before classes start. • You 2) ........ always ask for your teacher's permission if you want to leave the classroom. • You 3) ........ bring a packed lunch every day; the school canteen is open all day. • You 4) ........ run in the corridors. It isn't allowed. • You 5) ........ leave the school grounds during school hours without permission. • Your parents 6) ........ call the school in case you are absent or late.