Negative imperative

Don´t cut in line..

Don´t shout!..

Don´t pick your nose..

Don´t be noisy..

Don´t stand up..

Don´t worry..

Don´t bounce the ball!..

Don´t forget it..

Don´t translate literally..

Don´t crumple your worksheet..

Don´t let me down, please..

Be careful, don´t get your clothes dirty!..

Don´t interrupt me, please..