2 - 5 ~오세요 / 지 마세요

You cannot use -으세요 when speaking about yourself. -으세요 is never used in the first person, only second or third person. -으세요 is used with verbs and adjectives. If the verb/adjective stem ends in a consonant, -으세요 is added. If the verb/adjective stem ends in a vowel, -세요 is added. ~(으)세요 is used to give a command, instruction, or to make a request. It’s like saying “Please do (something)“. ~지 마세요 is a negative imperative ending. It is used to tell someone to not do something or to stop doing something. It’s like saying “Please don’t do (something)“.