In the literature on motion events, a lot of previous research can be found on the contrast between the typology of expression favoured by so-called ‘verb-framed languages’ and that favoured by so-called ‘satellite-framed languages.’ Only some of this previous research, however, has focused its attention on the reasons that ultimately bring about such contrasting fashions of speaking. The present study explores this issue in some depth by trying to identify what specific grammatical constraints lead Italian speakers to be shy of the use of manner verbs in the expression of motion events (at least when compared with speakers of a typical satellite-framed language such as English). The outcome of an interpretation task and a grammatical judgement task conducted with some Italian native speakers suggests that this phenomenon ultimately originates from features exhibited by the Italian system of spatial prepositions, as well as from features exhibited by a certain kind of Italian manner verbs. The constraints caused by the verbs appear to be particularly significant.
