-었던
-었던: That Had Been — Past Modifier With Linger
Past adnominal with -었-: marks a prior state/event modifying a noun, often with lingering or completed-past colour.
How to form it
| When | Form | Example |
|---|---|---|
| Verb / adjective + -었- + -던 | -었던 | 살았던 / 만났던 / 좋아했던 |
| Noun + 이다 (ida, ‘to be’) | -이었던 / -였던 | 학생이었던 / 의사였던 |
-었던 is a past modifier with a lingering sense — that had been… / that used to be….
It builds on -던 and past -었-: the past is not a cold finished stamp only; something of that earlier state remains in how we talk about it.
Why this is hard
Learners know -은 past modifiers (먹은) and then meet -던 / -었던. They ask “aren’t both past?” Yes — but -던 often paints an incomplete, interrupted, or recalled-as-ongoing past; -었던 layers explicit past marking on that colour.
Overusing -었던 where simple -은 is enough makes writing heavy.
What it does
You modify a noun with a past that still colours the present description.
예전에 살았던 집
좋아했던 노래
만났던 사람
다녔던 학교
Forms
Verb past + -던 → -었던 / -았던 shapes in the classroom set; adjectives follow their taught patterns with -던.
When not to use it
Do not replace every past modifier with -었던. Simple completed past often wants -은 (어제 먹은 빵).
Do not confuse it with sentence-final past. This slot is 관형 — it must modify a noun.
Do not ignore -던 without -었-; some recalls use -던 alone.
Neighbours — and why they differ
| Form | Why it is not this slot |
|---|---|
| -은 | Completed past modifier; often enough alone. |
| -던 | Lingering / incomplete past modifier without the extra past layer. |
| -었더니 | Connective after I did…; not a noun modifier. |
Ask: am I modifying a noun with a past that still lingers in the telling? If yes, -었던. If you only need plain completed past on a noun, try -은 first.
Do not confuse it with
Taught alongside this
On the jabi learning path, this appears in 표현 (expression) — Advanced Korean 1, Unit 4, on the theme of expression. These come with it:
Words used above
Quick check
No sign-up, no score saved — just see if it stuck.
1. You point out a house where you lived years ago and no longer live. Which noun phrase keeps that recalled completed past?


2. Which phrase best recalls an activity that was in progress when something interrupted it, favouring -던 over completed -었던?


3. The bread was simply eaten yesterday; no recalled scene or former state matters. Which modifier is the lighter completed-past choice?


Common questions
Dictionary?
Built from -었- + -던. See -던 「002」「009」 for unfinished/habitual/past-state modifiers; -었던 stacks past marking.
Vs -던 alone?
-던 may lack -었-. -었던 makes the past layer explicit.
Lingering sense?
Curriculum gloss: lingering — the past still colours the noun (살았던 집).
Writing?
Common in narrative noun phrases.