Himmaswa: Verbal Categories: The Perfect: From 'finish', 'already'
The standard perfect mood is indicated with the verb 'dua' - be finished already - the use of which is now mainly restricted to indicating perfect aspect.
'Tui peak dua.' - He has left.
The experiential perfect is indicated with the verb 'joum' - pass; elapse; expire - indicating a completed experience.
'Tui nlooayk joum.' - He has seen (it) before.