conversation – n. an informal talk involving two people or a small group of people

lecture – v. to talk to (someone) in an angry or serious way

possessive – n. relating to a word or a form of a word that shows that something or someone belongs to something or someone else

rumor – n. information or a story that is passed from person to person but has not been proven to be true

polite – adj. having or showing good manners or respect for other people

formal – adj. suitable for serious or official speech and writing

informal – adj. having a friendly and relaxed quality

grammar – n. the set of rules that explain how words are used in a language
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