Parts of speech categorize words by their role in a sentence. Key ones include: Nouns: Name people, places, things, or ideas (e.g., student, city). Verbs: Show action or state of being (e.g., run, is). Adjectives: Describe nouns (e.g., happy, blue). Adverbs: Modify verbs, adjectives, or other adverbs (e.g., quickly, very). Pronouns: Replace nouns (e.g., he, they). Prepositions: Show relationships (e.g., on, to). Conjunctions: Connect words or clauses (e.g., and, but). Interjections: Express sudden emotion (e.g., Wow!)
