Parts of Speech Students will match the part of speech with the correct definition. Tools A B Nouns name persons, places, things, or ideas Pronouns take the place of nouns Adjectives describe or modify nouns or pronouns Verbs express action or being Adverbs describe or modify verbs, adjectives, or other adverbs Conjunctions join words or groups of words Prepositions relate nouns or pronouns to other words in a sentences Interjections express emotion or feeling