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Neste artigo, analisamos o fenomeno da alternância vocalica na flexao verbal do portugues com base na Morfologia Autossegmental (McCarthy, 1981; Goncalves, 2009). Mostramos que a autossegmentacao dos tracos de abertura (Clements & Hume, 1995) permite expressar com bastante naturalidade os varios expoentes morfologicos envolvidos em pares como ‘pude'/‘pode', ‘consigo'/‘consegue' e ‘cubro'/ ‘cobre'.

A alternância vocálica na flexão verbal do português: análise pela morfologia autossegmental