How did Middle English grammar differ from Old English grammar?

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Middle English grammar differed significantly from Old English, primarily through the simplification of its complex inflectional system.

Key grammatical shifts included:

  • Loss of Grammatical Gender: Middle English replaced the Old English system of grammatical gender (masculine, feminine, and neuter) with natural gender.1
  • Decline of Declensions: The elaborate Old English system of noun and adjective declensions, which utilized four cases (nominative, genitive, dative, and accusative), was largely lost in Middle English.21
  • Pronoun Simplification: The complex inflectional system for pronouns also underwent significant reduction during the Middle English period.1
  • Verb Inflections: Middle English exhibited regional variations in verb endings. For example, the Northern dialect often featured a one-syllable infinitive (e.g., sing), whereas Midland and Southern dialects retained more complex forms like singe(n) or singen. Additionally, the past participle prefix y- evolved from the Old English perfective prefix ge-.3

By the Late Middle English period (1400–1500), the basic lines of inflection that characterize Modern English were largely established.1