Yes, Teacher (-세요)

Every language has a polite way to give an instruction and a blunt way to give an order. Korean keeps both in the same verb. Swap the ending on -으세요 and the sentence stays word-for-word identical in meaning, it just changes who’s allowed to say it to whom.

The Classroom Suffix

Verb + 세요 is the core rule: attach it to a verb stem and you’ve turned it into “please [verb].” -(으)세요 is the sound of every Korean classroom, a command soft enough to still be a request. Push it up to -(으)십시오 and you get the version printed on airport signage and heard from flight attendants. Strip it down to the bare verb stem and you get what you’d actually say to a close friend, no cushioning at all.

Please Give Me

There’s a second command pattern built on 주다 (to give): attach 주세요 to a noun, or to a verb’s connective -아/어 form, to mean “please give me [noun]” or “please [verb] for me.” It’s the single most useful phrase in the language for anything from ordering food to asking a classmate for help.

Thank You, I’m Sorry

고맙다 and 미안하다 run through all three registers cleanly, the same way 이다 does. But you’ll also hear 감사합니다 and 죄송합니다 constantly, and they’re not casual-to-formal steps of anything. They’re separate, more deferential words that were borrowed straight from Chinese roots (감사 = 感謝, “gratitude”; 죄송 = 罪悚, “guilt and fear”), and Korean never really relaxes them into casual speech. You say them in -습니다 or not at all.

Checking For Understanding

The two phrases every classroom actually runs on.

Vocabulary