Parts of speech, also known as word classes or lexical categories, are the fundamental categories into which words in a language can be classified based on their grammatical and syntactical roles. Understanding parts of speech is essential for constructing sentences and comprehending the structure of a language. The most common parts of speech in English are as follows:
Noun, Pronoun, Verb, Adjective, Adverb, Preposition, Conjunction, Interjection.