Let's explore the grammatical function of the auxiliary verb "do" in English, like its use in forming questions and negative sentences, or its role in subject-auxiliary inversion and negation. We'll also trace the etymological history of "do," highlighting its evolution from a main verb to an auxiliary verb and its appearance in various idioms and phrases. Then we'll discuss the origins of the "do"-support construction, proposing that its presence in modern English might stem from influences of Celtic languages.#etymology #englishlanguage #englishvocabulary #englishgrammar Hosted on Acast. See acast.com/privacy for more information.