He refuses to forgive Figaro and the supposed Countess , the real Countess appears and shows who she is ; the Count realizes he has been trapped ( the supposed Susanna he was trying to seduce was actually his wife ) , and he simply kneels and asks for forgiveness The Countess sweetly forgives her husband and all are happy . All beg him to forgive Figaro and the `` Countess '' , but he loudly refuses , repeating `` no '' at the top of his voice , until finally the real Countess re-enters and reveals her true identity . The Count , seeing the ring he had given her , realizes that the supposed Susanna he was trying to seduce , was actually his wife .