what is conjugation of impretive negative of ((decir))

Question

how to conjugation decir for negative impretive

Answer 1

for tu: no diga! for Ud: no digas!

It depends on your context, but in general, commands are in the subjunctive form. So, for "decir", you take first person present (yo digo) and change the ending to "a"

Answer 2

strawberryto, you got it mixed up.

Tú = di, no digas --- Usted = diga, no diga