Linguistics, the scientific study of language, has significantly influenced modern English language teaching (ELT). Understanding how language works—its structure, meaning, and use—helps teachers design more effective methodologies for learners. This article explores the relationship between linguistics and ELT by examining how various linguistic branches such as phonetics, phonology, morphology, syntax, semantics, and pragmatics contribute to improving teaching techniques. It also discusses how applied linguistics supports the development of communicative competence, error analysis, and language testing. The study concludes that integrating linguistic knowledge into teaching practices not only enhances teaching quality but also promotes a more learner-centered and communication-oriented classroom environment.

linguistics, language teaching, phonology, applied linguistics, ELT methodologies, communicative competence.

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