The paper deals with Italian helping verbs (modal, aspectual, causative verbs) and light verbs which form complex predicates and with the rules that guide its use in Italian descriptive grammars published in Italy between 1953 and 2005. The author shows that those forms in both – traditional and contemporary Italian descriptive grammars are treated at the level of word classes whereas it could be more appropriate to discuss them as clause elements as they form complex predicates. In our opinion this way of describing such verbs is due to the tradition in Italy to focus on a form and not on function of an element. What is more, Italian grammarians tend to omit in Italian descriptive grammars noun predication and the role of ...