Breakdown of oneureun doseogwaneseo joyonghi gongbuhaja.
Questions & Answers about oneureun doseogwaneseo joyonghi gongbuhaja.
오늘은 means “as for today / today (topic)”. The particle -은/는 marks the topic or sets up a contrast/background: “Today (as opposed to other days)…”
You’d use 오늘이/가 when “today” is the grammatical subject of something (e.g., 오늘이 제일 바빠요 = “Today is the busiest”).
도서관에서 uses -에서 because it marks the place where an action happens: study happens at/in the library.
-에 is more for destination/arrival or existence:
- Destination: 도서관에 가요 = “I go to the library.”
- Existence: 도서관에 있어요 = “It’s in the library / I’m at the library.”
조용히 is an adverb meaning “quietly.” It’s formed from the adjective 조용하다 (“to be quiet”) and becomes adverb-like with -히.
It modifies the verb 공부하다: 조용히 공부하다 = “to study quietly.”