Ngaua, proun., pl. of taua = aua. Those. Na ngaua pu na koe i tutetute.
Williams Dictionary
Kia tūpato kei ngaua koe e te kurī.Careful in case you get bitten by the dog.Be careful... lest! - kia... kei...
I ngaua te tangata e to kurī.The man was bitten by the dog.Passive sentences - tikina...