Coniugazione di potere - WordReference.com
www.wordreference.com › conj › ItVerbs'potere' is the model of its conjugation. Since the stem of this verb ends in -t, the -ett- forms of the passato remoto sound clumsy and are commonly avoided. When this verb stands alone, it takes avere in compound tenses. When it serves as a semi-modal helping verb, compound tenses are formed using the auxiliary of the main verb that follows.