There are various rules to remember for how to conjugate mandates. Doing so will make it much easier.
Salir → Salga
Poner → Ponga
There are various irregular words, and these are important to know.
Ir→Ve (Also ver, but that's the regular él form)
Salir -> Salid
Bailar -> Bailad
Negative: No hagas!
Negative: No hagáis!