Special grammar refers to unique or non-standard grammatical structures that deviate from conventional rules. These variations can occur in specific dialects, sociolects, technical languages, poetic or literary styles, and specialized jargon. Special grammar often includes unique syntax, vocabulary, and usage patterns that are characteristic of a particular group or context. Examples include the inversion of word order for emphasis in poetry, the use of non-standard verb forms in dialects, or the specific terms and abbreviations used in professional jargon. Understanding special grammar is crucial for effective communication within these specific contexts.