8предложений о правилах поведения в общественных местах must mustn"t

1)You mustn't interrupt when someone 's talking
2)You must be quiet ,when you're in the library
3)You mustn't talk on the phone very loudly
4)You mustn't run in the shops/libraries/schools ,etc.(etcetere- и т.д.)
5)You mustn't be rude with someone you don't know,or even with someone whom you know
6)You must keep your mouth close,when you cough
7)You must say sorry,when you're on someone's leg)))
P.S я только 7 составить смогла,ничего больше в голову не приходит,good luck -удачи!:)