Auxiliary selection is Agree

In this paper, I address the problem of auxiliary selection in Standard Italian and Southern Italo-Romance varieties. former, depends on argument structure, latter person feature subject. However, features arguments play a crucial role even languages where is structure- driven. Therefore, propose that result Agree both systems. Cross-linguistic variation due to single syntactic parameter (the ordering Perf) different inventories vocabulary entries. contribution, focus varieties, particular person-driven systems so-called mixed show apparently very varieties are more similar than it seems: not only for feature, but also many alleged indeed argument-structure-based