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Grammar Advanced TOPIK II · Level 5–6 Advanced Korean 2 · final ending

-으리오

-으리오: How Could It…? — Rhetorical Pushback

Ending: how could it…? — rhetorical pushback, often with lament.

Before this, make sure you know: -으리라 , -아요 / -어요

How to form it

When Form Example
Batchim stems -으리오 먹으리오 / 있으리오
Vowel / ㄹ stems -리오 가리오 / 하리오 / 알리오

-으리오 (-리오) pushes back — how could it…?

Literary rhetorical coat. Often lament or challenge. Not the resolve seat of -으리라.

Why this is hard

-리라 / -리오 look like twins. Learners merge them into “old future.” -으리오 is a speech act: challenge, disbelief, lament — not a calm vow.

What it does

어찌 가리오?
그런 일을 하리오?
내가 그걸 모르리오?
쉽게 끝나리오?

The ending expects no plain factual answer — it presses.

Forms

Batchim -으리오; vowel / ㄹ -리오.

먹다 → 먹으리오
가다 → 가리오
하다 → 하리오

When not to use it

Do not use it as calm resolve — -으리라.

Do not use it as café future — -겠-.

Do not drop it into business email for decoration.

Neighbours — and why they differ

FormWhy it is not this slot
-으리라Shall / will resolve or speculation.
-겠-Living future/guess.
-으오Old polite statement/question coat.

Ask: am I pushing back rhetorically? If yes, -으리오. If vowing, -으리라.

If the English in your head is how could…? rather than I shall…, you are on this page.

Do not confuse it with

-으리라

I shall… / it will… — resolve, or speculation about the situation

-겠-

guessing, forecasting, or resolving — not just future

-으오

…o — the old polite ending of formal speech

Taught alongside this

On the jabi learning path, this appears in 종결어미 (final ending) — Advanced Korean 2, Unit 3, on the theme of final ending. These come with it:

-는구려 how…! — a mild, slightly archaic exclamation -는구먼 oh, so it is… — noticing a newly realised fact -그려 you know / indeed — particle stressing the point to the listener -으리라 I shall… / it will… — resolve, or speculation about the situation -으오 …o — the old polite ending of formal speech -으니4 how dare… / some…! — blaming or scolding with -으니 -거들랑2 you should know… — telling the listener something they do not know (종결) -게3 do it — the 하게체 command -게4 mind you / see here — drawing the point back into view -구려2 do it, won't you — a soft command -네1 plain statement — the 하게체 -네 that just reports -는구만 so it is… — noticing a newly realised fact (casual) -는가2 the question is… — raising the issue rather than asking casually -나2 …? — a bare question to yourself or someone close -던2 was it…? — asking about what you experienced before -던가1 was it…, from experience? — past question from what you lived -던가2 was it…, I wonder? — past question as a guess -라2 plain statement — -라 after 이다-type stems -소 …so — the old polite style of shopkeepers and elders

Words used above

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-으리오-euriohow could it…? (rhetorical)
-리오-rioafter vowel / ㄹ stems
반문banmunrhetorical question
한탄hantanlament
결심gyeolsimresolve — other -리라 family

Quick check

No sign-up, no score saved — just see if it stuck.

1. A speaker rejects the very idea that they could forget such kindness. Which line carries literary rhetorical pushback?

2. A narrator solemnly vows, 'I shall finish this work.' Which choice uses resolve rather than the rhetorical question -으리오?

3. Which form correctly joins the consonant-final stem 먹- to the rhetorical ending on this page?

Common questions

Job?

Rhetorical pushback — how could it be / how could one… — often with lament.

Vs -으리라?

-으리라 is shall/will resolve or speculation. -으리오 pushes back.

Vs -으오?

-으오 is old polite. Different ending job.

Register?

Literary, historical, theatrical — not café default.