Infinitive - Past - Past Participle to know - knew - known (a şti, a cunoaşte); to learn - learnt/learned - learnt/learned (a învăţa); to leave - left - left (a lăsa, a pleca); to lend - lent - lent (a da cu împrumut); to let - let - let (a lăsa); to lose - lost - lost (a pierde); to make - ...