(+)
Stand up!
(-)
Don't sit down!
...,read a book(+)
Plese, read a book!
(+)
Wash your hands!
(-)
Don't use your cellphone!
(-)
Don't play video games in the classroom!
(-)
Don't talk in the library!
(+)
Clean your bedroom!
(+)
Go away!
(-)
Don't run!
(+)
Do your homework!
(+)
Help your friend!
... your teacher(+)
Respec your teacher!
... practice bullying(-)
Don't practice bullying!
(-)
Don't sleep in class!
