shout in the library
You mustn’t bring a dog/pet.
You should bring water.
be polite to teacher
eat in clas
arrive on time
do homework
wear jewellery
You mustn’t make a fire.
You shouldn't come between 11 a.m. and 3 p.m.
work hard
You should wear a hat.
You mustn’t swim when there's a red flag.
You shouldn't touch jellyfish.
You should use sunscreen.
run in corridors