shout
You mustn't shout.
do our homework every day
You must do your homework every day.
touch the hot stove
You mustn't touch the hot stove.
listen in class
We must listen in class.
respect each other
We must respect each other.
run in the classroom
You mustn't run in the classroom.
talk during a film
You mustn't talk during a film.
wear a helmet when riding a bike
You must waer a helmet when riding a bike.
use our phones during class
We mustn't use our phones during class.
wash our hands
We must wash our hands.
be kind
You must be kind.
eat vegetables
You must eat vegetables.
be on time
You must be on time.
share
We must share.