Studies that are available on Ìgás̩í have only classified the speech form as one of the speech forms under the Ako̩ko̩id language cluster but none has examined tense, aspect and negation in the speech form. The present study provides a descriptive account of tense, aspect and negation in the speech form. It maintains that tense in Ìgáṣí polarises future and non-future. It establishes, among other things, that the speech form uses the pre-verbal particle á to mark its future tense and demonstrates that aspects in the speech form are divided into perfect and imperfect. The study also claims that Ìgáṣí has three basic negative morphemes which are kpa, sẹ and àgẹ̀ and shows that the future tense, perfect and habitual aspects have...