1 INTRODUCTION. If inflectional morphology were perfectly straightforward, a listing of the inflected forms of a word for a given language would at the same time give us a list of the morphosyntactic values relevant for that language. For example in Yir-Yoront (1), a Pama-Nyungan language from the Cape York Peninsula, Australia, the distinct forms displayed by such words as 'foot' or 'leg' just...