- The eight parts of speech are nouns, pronouns, adjectives, verbs, adverbs, prepositions, conjunctions, and interjections.
- Most words in English can be classified as one of these eight parts of speech, although some, like determiners, are categorized separately in modern grammar.
- The term part of speech refers to a word’s role in a sentence.
- Some words can be different parts of speech depending on how they’re used in a sentence, such as work (noun and verb) and well (adverb, adjective, and noun).
- The parts of speech fall into two word classes: open (parts of speech that regularly acquire new words) and closed (parts of speech that don’t readily acquire new words).