imperative
ImpNC
1) a grammatical form of sentence used principally to give an order or command but also to make a request, ¶3-3-4; an i. s. opposes both declarative and interrogative sentences and may be phrased as affirmative or negative; an i. s. may be characterized using two primitive objects and four primitive predicates, ¶3-5-3; the i. s. has its own rule of interpretation, §3-6; also a semantic feature characterizing a quotative noun clause as an embedded i. sentence
2) a noun clause whose most felicitous paraphrase is a command and is imperative in form, ¶6-3-2