Imperative mood (abbreviated as IMP) is the grammatical mood that is used to indicate commands, requests and strict prohibitions. Imperative is the default, dictionary form of verbs in Black Speech. None of the inflectional suffixes and clitic subject pronouns may be added to it to express imperative mood, however objective pronouns may join verb in imperative.

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In the narrow sense Imperative mood applies only to direct orders to 2nd person (implying “you”), but it's grammatical form is also used in other modalities expressing orders:

• Various Hortative modalities, similar to imperative, but with less obligatory sense:
• Jussive mood - order to 2nd person to allow/permit/forbid 3rd person to do something
• Precative modality - similar to Jussive, but speaker asks 2nd person to allow to do something for himself, usually to express polite requests.
• Optative mood - wishes, blessings and curses with very special form:
• Condition of Presumptive modality