Parts of speech are the different categories that words are classified into based on their grammatical function in a sentence. They provide a framework for understanding how sentences are constructed and how words interact with each other. Here are the eight main parts of speech in English:
* Nouns: Nouns are words that name people, places, things, or ideas. Examples: book, cat, happiness, London.
* Pronouns: Pronouns take the place of nouns to avoid repetition. Examples: he, she, it, they, them, we, us.
* Verbs: Verbs express actions, states of being, or occurrences. Examples: run, jump, is, seems, happens.
* Adjectives: Adjectives describe nouns or pronouns. Examples: big, blue, interesting, funny.
* Adverbs: Adverbs modify verbs, adjectives, or other adverbs. They tell how, when, where, why, or to what degree something happens. Examples: quickly, carefully, yesterday, very, quite.
* Prepositions: Prepositions show the relationship between a noun or pronoun and other words in the sentence. Examples: in, on, at, to, from, by.
* Conjunctions: Conjunctions join words, phrases, or clauses. Examples: and, but, or, so, because.
* Interjections: Interjections are words or phrases used to express sudden emotions or feelings. Examples: oh, hello, wow, ouch!