• You shouldn’t be rude.
• You should pay attention in class and behave well too.
• You should study as much as you can.
• You should respect school rules.
• You mustn’t destroy school property.
• You mustn’t raise your voice to teachers and classmates.
• You should organize your material.
• You mustn’t laugh in the classroom.
• You mustn’t resort to violence.
• You shouldn’t access Facebook during the computer classes.

Daniel and Pedro