Make a rule with "speak Spanish in class".
You mustn't speak Spanish in class.
Make a rule with "use your phone in class".
You mustn't use your phone in class.
Make a rule with "write on the walls".
You mustn't write on the walls.
Make a rule with "put our hands up".
We must put our hands up.
Make a rule with "be quiet".
You must be quiet.
Make a rule with "tidy your room".
You must tidy your room.
Make a rule with "run with scissors".
You mustn't run with scissors.
Make a rule with "talk in the cinema".
You mustn't talk in the cinema.
Make a rule with "eat in bed".
You mustn't eat in bed.
Make a rule with "fight".
You mustn't fight.
Make a rule with "take an umbrella when it rains".
You must take an umbrella when it rains.
Make a rule with "listen to your teacher".
You must listen to your teacher.
Make a rule with "be elate for school".
You mustn't be late for school.
Make a rule with "do the homework every day".
You must do the homework every day.
Make a rule with "Speak English in class".
You must speak English in class.