Is the imperfect form of benedire benedicevo or benedivo? What is the correct form of the past participle of esigere? When should stare be used in place of essere? The Accademia della Crusca attempts to resolve questions concerning verbi difficili—Italian verbs with irregular forms or perceived as tricky. Many of the issues concern the passato remoto and participio passato forms of certain verbs as well as the use of verbs such as affacciare, iniziare, and soddisfare.