Alternation ‘Autobenefactive’ (Coded)

'For one's own benefit'. Verb takes u- diathetic prefix and middle morphology. Looks like the u disappears in the future (Ta parwae pip bende dñpangn. (*duñpangn) I’ll cut your meat for myself.) but kept in imperative (Ê, tande parwae pip be kuñpa! Yes, cut yourself a piece of my meat.)