The study is focused on the hypothesis that the boundary between morphology and phonology is where a large portion of allomorphic diversity is located. The basic assumption is that phonology can affect the choice of allomorphs for reasons pertaining to phonological naturalness, preferences in language with regard to syllable patterns, stress location, or both. Additionally, Optimality Theory is expected to provide a more satisfactory explanation for the phenomenon compared to Distributed Morphology, as it permits phonology to surpass morphology in both theoretical and practical aspects. Since Saturday is the most action-packed day of the football season and hosts many English Premier League matches at once, six "Saturday Football" pages from the BBC were included in the corpus obtained for this research. Though there is a phonological conditioning allmorphy in the past form (-ed), which can be articulated as /t/, /d/, or /id/, it is only present in the six pages of "Saturday Football" sport commentary.
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