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Proceedings from the 8th Workshop on American Indigenous Languages Jose Alvarez

If yOllr Il1stitution is interested in an exchange agreement, please write the above addrc;s for information. FOREWORD It is with great pleasure that we present the proceedings of the 8th Workshop on American Indigenous Languages (WAIL 2005). In continuing a tradition begun with the student discussion group on Native American Indian Languages (NAIL), the evolving membership wishes to pay tribute to Marianne Mithun and Wallace Chafe for their consistent encouragement and support. We hope that this volume of the Working Papers represents another step in the development of WAIL as a forum where we may all share our discoveries, both descriptive and theoretical, concerning these increasingly endangered languages. 1. Introduction In this work I contrast passive constructions in two Uto-Aztecan languages: Yaqui and Warihio, members of the Taracahitic sub-branch. These languages behave differently regarding passivization: Yaqui systematically shows a morphological passive with the verbal suffix-wa, whereas Warihio shows a heterogeneous group of passives (tentatively): morphological, periphrastic and notional-functional.