1.
verbal prefix indicating focused doer (actor focus) in the active voice.
The doer may be animate or inanimate. The prefix ng- is a manifestation of the morphophoneme prefix N- , which replaces the initial consonant of k word stems, and is prefixed to stems that begin with vowels. See the verbal affix section of the "Grammar Notes".
I grabbed the ball from Abdul.
What now is attended to by them is gossiping, [they] are not concerned [with] their livelihood.
What concerns them now is gossiping, not their livelihood.
Only a little [of it] remains.
There is only a bit left.
[It] is about to rain. [Idiomatic usage.]
My leg is bruised by the wood [which] fell on top of it.
The world [weather/sky] was still hazy [when] we were walking to the farm.
2.
verbal prefix for nonfocused doer of the action in certain constructions of the agentive voice.
Here, ng- plus verb, is preceded by the agentive marker eh , or by eh plus either a clitic pronoun or a noun. [Agentive is marked by the grammar notation eh, ni- .] When ng- appears in agentive construction, it indicates past action.
Please repeat [what was] sung by you.
Please repeat what you sang.