My room rules. Write what people must, mustn`t or can`t do when they are in your room. 

My room rules.When people are in my room they must not smoke. When people are in my room they must not sit on my bed.When people are in my room they can sit on the chair.When people are in my room they must not use my computer.When people are in my room they must not open my wardrobe.When people are in my room they can sit on the carpet.When people are in my room they can play with my toys.When people are in my room they can open the window.