On the concept of diathesis alternations as semantic oppositions

In this article we present our conception of dtathesls alternations and how they intervene m the definmon of a model of lexlcal entnes We consider that dmthesls alternations are the syntactic realizations of opposmons of a more general semantic nature We will see how they interact with other components such as event structure and how different semannc classes of pre&cates at~se from that interaction