A central question in the study of language concerns the mechanisms by which the participants in an event described by a sentence come to occupy their positions and acquire their interpretation. The papers included in this volume explore current issues and re-assess generally accepted premises on the relationship between lexical meaning and the morphosyntax of sentences by confronting two competing approaches to this issue. A long-standing approach is based on the assumption that it is the lexical meaning of a verb that determines, albeit indirectly, the basic properties of sentence structure...