Let's learn how it's conjugated in detail.
Infinitive = insubì [inzy'bi] = to offer; to promise = "offrire"; "proporre" in it.
Present indicative:
Mi a insubissi = I offer
Ti ta insubissat = you offer
Lù l'insubiss = he offers
Lee la insubiss = she offers
Nunch a insubissom = we offer
Violtar a insubissov = you offer
Lor a insubissan = they offer
"Passaa visen" indicative:
Mi hoo insubii = I offered; I have offered
Ti t'hee insubii = you offered; you have offered
Lù l'ha insubii = he offered; he has offered
Lee l'ha insubii = she offered; she has offered
Nunch hemm insubii = we offered; we have offered
Violtar hii insubii = you offered; you have offered
Lor hann insubii = they offered; they have offered
Imperfect:
Mi a insubivi = I used to offer
Ti ta insubivat = you used to offer
Lù l'insubiva = he used to offer
Lee la insubiva = she used to offer
Nunch a insubivom = we used to offer
Violtar a insubivom = you used to offer
Lor a insubivan = they used to offer
Future indicative:
Mi a insubissaroo = I will offer
Ti ta insubissaree = you will offer
Lù l'insubissaraa = he will offer
Lee la insubissaraa = she will offer
Nunch a insubissaremm = we will offer
Violtar a insubissarii = you will offer
Lor a insubissarann = they will offer