Inflectional morphology

Abstract

Introduction The prototypical inflectional categories include number, tense, person, case, gender, and others, all of which usually produce different forms of the same word rather than different words. Thus leaf and leaves , or write and writes , or run and ran are not given separate headwords in dictionaries. Derivational categories, in contrast, do form separate words, so that leaflet , writer , and rerun will figure as separate words in dictionaries. In addition, inflectional categories do not in general alter the basic meaning expressed by a word; they merely add specifications to a word or emphasize certain aspects of its meaning. Leaves , for instance, has the same basic meaning as leaf , but adds to this the specification of multiple exemplars of leaves. Derived words, by contrast, generally denote different concepts from their base: leaflet refers to different things from leaf ; and the noun writer calls up a somewhat different concept from the verb to write . That said, finding a watertight cross-linguistic definition of ‘inflectional’ which will let us classify every morphological category as either inflectional or derivational is not easy. Nor can ‘inflectional’ be defined simply by generalizing over attested inflectional systems or paradigms; the cross-linguistic variation in both forms and categories is too great. Rather, we define inflection as those categories of morphology that are regularly responsive to the grammatical environment in which they are expressed. Inflection differs from derivation in that derivation is a lexical matter in which choices are independent of the grammatical environment.

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