informal – adj. not suited for serious or official speech and writing

column – n. an article that appears regularly and that is written by a specific writer or deals with a specific subject

promote – v. to make people aware of something, such as a new product, through advertising

guess – v. to give an answer about something when you do not know much or anything about it

standard – adj. accepted and used by most of the educated speakers and writers of a language

tense – n. a form of a verb that is used to show when an action happened

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

cable – n. the wiring system that provides internet access, phone services and television channels

specific – adj. special or particular

modal – n. a verb that is usually used with another verb to express possibility, necessity, and permission