1.
verbal prefix indicating a focused doer (actor focus) in the active voice.
The doer of the action can be animate or inanimate. This m- is a manifestation of the morphophoneme prefix N- , which replaces the initial letter on stems that begin with b or p . See the discussion in the "Grammar Notes".
I shall cook like that./ I shall cook at this time.
2.
verbal prefix for nonfocused doer in certain constructions of the agentive voice.
Here, m- plus verb, is preceded by the agentive marker, eh , or by eh plus either a clitic pronoun or a noun. Agentive voice marked by the grammar notation eh, ni- . When m- is used in the agentive construction, it indicates past action.
That woman is so fond of talking, [she] is able to forget [what was to have been] cooked by her!
That woman likes to talk so much, she even forgets her cooking!