A prefix marking instrument focus.
past pinaN-
Panyido naw radyo na.
He uses his radio as an instrument to make a noise.
Pamagot ko sopit na so lansa.
I use his pliers as an instrument to pull out the nail.
paN--an
A verbal affix marking a referent focus.
past naN--an; focuses only on the place where the action is performed
Dawriw panabtaban da sya.
There is the place where they hack it.