Помогите составить 5 правил поведения в школе на английском языке со словом you can  по одному предложению

1. Pupils can bring mobile phones to school but you can't use them at the lesson 2.  Children can bring sandwiches from home and eat them during a break. 3. Pupils can go out and play in the yard during the break. 4.  Pupils can eat at the school canteen. 5.  Pupils can go for help to teachers if they need help.