(+)_____your phone.
Turn off your phone.
(+)
Stand up.
(-)
Don't sit down.
(-)
Don't jump.
(-)
Don't sing.
(+)
Open the window.
(+)
Turn left.
(-)
Don't turn right.
(-)
Don't smoke.
(-)
Don't be late.
(-)
Don't be sad. / Don't worry.
(+)
Be careful!
(-)
Don't take photos (here).
(-)
Don't eat or drink (here).
