Most GB analyses of VSO languages have assumed that these languages have an SVO clause structure in which surface order is derived by leftward movement of V - usually, movement of V to Infl. This paper argues that that there is another possible route to VSO-hood, which is instantiated by the VSO language Chamorro. I argue for a view of Chamorro clause structure that consists of three claims: (i) there is a predicate XP constituent separate from the subject; (ii) this predicate XP precedes the subject, in other words, the clause structure of Chamorro is fundamentally VOS; (iii) surface word order is produced not by V Movement, but by adjoining the subject to the right of some projection of a [+V] category, essentially as proposed by Choe (1986) for Berber. Evidence supporting these claims is drawn from proper government in WH-constructions, from the syntax of nonverbal predicates, and from coordination. © 1990 Kluwer Academic Publishers.