From classifier-noun combination to article-name agreement. Some notes on the teaching to Sinophones of Italian as a second language. This paper deals with the acquisition of the article by Sinophone learners. On this topic a number of issues have been outlined by Limonta (2009) and Chiapedi (2010). With this analysis, I would like to contribute to this investigation by highlighting the role of classifiers and of existential constructions in the expression of definitess in Chinese. To this end, I will refer to two generativist models, based on the peculiarities of bare nominals. These investigations are: on the one hand, the typology of nominal system (Chierchia 1998, Cheng & Sybesma 1999, 2005), focused on the contrast between languages which obligatorily mark nouns as singular/plural vs. languages with a generalized use of classifiers, i.e. where numerals cannot directly combine with nouns. On the other hand, I take into account the researches by Ionin et al. (2004), which analyze and develop the afore mentioned nominal system typology with reference to second language article acquisition, based on two universal parameters, [+/-specificity] and [+/- definiteness].