The distinction between class 1 and class 2 affixation is a very important point in explaining many phonological phenomena of English. The different behaviors of both classes of affixed words are triggered by the differential rank of identity constraints on two distinct O(utput)O(utput)-correspondence relations: the higher-ranked OO2-Identity and the lower-ranked OO1-Identity constraints. Both members of the phonological paradigms governed by OO-correspondence are available to the phonology at the same time, in fully parallel derivations. This paradigmatic identity-based analysis focuses directly on identity relation of paradigmatically-related words and thus shows explicitly the real content of the relation between related words, and achieves what serial theory accomplishes by ordering phonological and morphological rules. The main purpose of this study is to provide a paradigmatic identity-based account of the zero-morpheme past-tense and noun-plural suffixes in English. This merit of this study is that we can capture a unified generalization among these processes. |