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tense – n. a form of a verb that is used to show when an action happened
phrase – n. a group of two or more words that express a single idea but do not usually form a complete sentence
uncertainty – n. he quality or state of being doubtful or unknown
casual – adj. suited for ordinary use when you are relaxing; not suited for serious or official speech and writing
drop off – phrasal verb. to take something or a someone to a place and then leave
rude – adj. not having or showing concern or respect for the rights and feelings of other people
assume – v. to think that something is true or probably true without knowing that it is true
hypothetical – n. not real: imagined as an example
