🔎

Recalling a Past Fact: -더군요

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Keywords
-더군요
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Section
Advanced Grammar
🎯
TL;DR 🦄
  • 🔎 -더군요 [-deo-gun-yo] means “I noticed/realized/it turned out…” when you are recalling a past fact from direct experience.
  • 🧠 It feels more reflective, composed, and polished than the everyday -더라고요 [-deo-ra-go-yo].
  • 🗣️ Use it after a verb/adjective stem: 많다 [man-ta] → 많더군요 [man-teo-gun-yo] = I noticed there were many.
🔊
🎧 Iru Helper Note — Use
Korean Helper Widgets
Korean Helper Widgets to hear the slightly polished rhythm of -더군요. Try typing 사람이 많더군요 [sa-ra-mi man-teo-gun-yo], 가격이 비싸더군요 [ga-gyeo-gi bi-ssa-deo-gun-yo], and 날씨가 춥더군요 [nal-ssi-ga chup-deo-gun-yo].
 

🌈 The Big Picture

-더군요 is a retrospective ending: the speaker is looking back at something they personally saw, heard, felt, read, tried, checked, or experienced, then reporting the fact now.
 
Think of it as a calm little detective report: “I experienced it, and what I noticed was…” 🕵️
 
  • 어제 가 보니까 사람이 정말 많더군요.
      • [eo-je ga bo-ni-kka sa-ra-mi jeong-mal man-teo-gun-yo]
      I went yesterday and noticed there were really many people. 👥
      어제 = yesterday, 가 보니까 = when I went and checked, 사람 = person/people, 정말 = really.
  • 그 식당은 생각보다 가격이 비싸더군요.
      • [geu sik-dang-eun saeng-gak-bo-da ga-gyeo-gi bi-ssa-deo-gun-yo]
      That restaurant turned out to be more expensive than I expected. 🍽️💸
      식당 = restaurant, 생각보다 = than expected, 가격 = price, 비싸다 = to be expensive.
  • 밤에는 날씨가 꽤 춥더군요.
      • [ba-me-neun nal-ssi-ga kkwae chup-deo-gun-yo]
      I noticed the weather was quite cold at night. 🌙❄️
      밤 = night, 날씨 = weather, 꽤 = quite, 춥다 = to be cold.
 
The key feeling is remembered direct observation. You are not simply saying a past fact; you are sharing what you discovered from experience.

🎨 The Core -더군요 Family

1. Descriptive verbs / adjectives + -더군요

Use this when you noticed a state or quality.
  • 많다 [man-ta] → 많더군요 [man-teo-gun-yo] = I noticed there were many.
  • 비싸다 [bi-ssa-da] → 비싸더군요 [bi-ssa-deo-gun-yo] = I noticed it was expensive.
  • 어렵다 [eo-ryeop-da] → 어렵더군요 [eo-ryeop-deo-gun-yo] = I realized it was difficult.
  • 춥다 [chup-da] → 춥더군요 [chup-deo-gun-yo] = I noticed it was cold.
  • 멀다 [meol-da] → 멀더군요 [meol-deo-gun-yo] = I noticed it was far.
  • 쉽다 [swip-da] → 쉽더군요 [swip-deo-gun-yo] = I noticed it was easy.
  • 조용하다 [jo-yong-ha-da] → 조용하더군요 [jo-yong-ha-deo-gun-yo] = I noticed it was quiet.
  • 복잡하다 [bok-jja-pa-da] → 복잡하더군요 [bok-jja-pa-deo-gun-yo] = I noticed it was complicated/crowded.
 

2. Action verbs + -더군요

Use this when you observed an action or process.
  • 오다 [o-da] → 오더군요 [o-deo-gun-yo] = I noticed it/someone was coming.
  • 잘하다 [jal-ha-da] → 잘하더군요 [jal-ha-deo-gun-yo] = I noticed someone did something well.
  • 먹다 [meok-da] → 먹더군요 [meok-deo-gun-yo] = I noticed someone was eating.
  • 읽다 [ik-da] → 읽더군요 [ik-deo-gun-yo] = I noticed someone was reading.
 

3. Common companion phrases

These phrases naturally set up a -더군요 sentence:
  • 가 보니까 [ga bo-ni-kka] = when I went and saw
  • 직접 해 보니까 [jik-jeop hae bo-ni-kka] = when I tried it myself
  • 읽어 보니 [il-geo bo-ni] = when I read it
  • 나가 보니까 [na-ga bo-ni-kka] = when I went outside
  • 생각보다 [saeng-gak-bo-da] = than expected
 
These pairings keep the sentence grounded in personal observation, not random gossip floating in the grammatical soup. 🍲

🛠️ How They Work in a Sentence

Reviews and impressions

  • 그 책을 읽어 보니 설명이 아주 쉽더군요.
      • [geu chae-geul il-geo bo-ni seol-myeong-i a-ju swip-deo-gun-yo]
      When I read that book, I noticed the explanation was very easy. 📘💡
      책 = book, 설명 = explanation, 아주 = very.
 

Observing someone’s skill

  • 민수 씨가 발표를 아주 잘하더군요.
      • [min-su ssi-ga bal-pyo-reul a-ju jal-ha-deo-gun-yo]
      I noticed Minsu gave the presentation very well. 🧑‍🏫
      발표 = presentation, 잘하다 = to do well.
 

Realizing through direct experience

  • 직접 해 보니까 문제가 생각보다 어렵더군요.
      • [jik-jeop hae bo-ni-kka mun-je-ga saeng-gak-bo-da eo-ryeop-deo-gun-yo]
      When I tried it myself, I realized the problem was harder than expected. 🧩
      직접 = directly/in person, 문제 = problem, 어렵다 = to be difficult.
 

Places and atmosphere

  • 새로 생긴 카페가 생각보다 조용하더군요.
      • [sae-ro saeng-gin ka-pe-ga saeng-gak-bo-da jo-yong-ha-deo-gun-yo]
      The newly opened café turned out quieter than I expected. ☕
      새로 생긴 = newly opened, 카페 = café, 조용하다 = to be quiet.

🧩 General Formation Rule

Take the dictionary form, remove 다, then add -더군요.
 
Dictionary form
Stem
With -더군요
Meaning
많다
많-
많더군요
I noticed there were many.
비싸다
비싸-
비싸더군요
I noticed it was expensive.
잘하다
잘하-
잘하더군요
I noticed they did it well.
춥다
춥-
춥더군요
I noticed it was cold.
 
Good news: this lesson’s core formation is regular. Do not label it as an irregular exception just because the ending sounds fancy in a suit. 🕴️

📚 Cross-check note

The -더군요 forms and retrospective meaning were checked against korean.go.kr, including National Institute of Korean Language materials that list 더군요 as an advanced sentence-ending expression and explain the -더- family as recalling what the speaker directly experienced or newly came to know. ✅

🪞 Synonym Alert

-더군요 and -더라고요 overlap, but they do not feel identical:
  • -더군요 [-deo-gun-yo] → more reflective, composed, polished, slightly formal.
  • -더라고요 [-deo-ra-go-yo] → more casual, conversational, common in everyday speech.
 
Compare:
  • 생각보다 어렵더군요.
      • [saeng-gak-bo-da eo-ryeop-deo-gun-yo]
      I noticed it was harder than expected. (polished / reflective) 🧠
  • 생각보다 어렵더라고요.
      • [saeng-gak-bo-da eo-ryeop-deo-ra-go-yo]
      I found it harder than expected. (friendly / everyday) 🗣️

⚠️ Pitfalls to Dodge

  • ❌ 비싸었더군요 → ✅ 비싸더군요 (for a recalled state, attach -더군요 directly to the adjective stem.)
  • ❌ Using -더군요 for information you only heard from someone else → ✅ use a hearsay form instead; -더군요 wants your direct observation.
  • ❌ 지금 춥더군요 for current noticing → ✅ 지금 추워요 / 춥네요 (current state, not past recall).
  • ❌ Treating -더군요 and -더라고요 as identical in tone → ✅ -더군요 sounds more composed and less chatty.
  • ❌ Using it for your own intentional action as plain past, like 제가 공부하더군요 → ✅ use it mainly for what you observed, discovered, or realized.
 
🎉 Bottom line: -더군요 is your polished “I noticed / it turned out” ending. It reports remembered direct experience with a calm, reflective sparkle. ✨
 

Try this exercise

Instructions: Complete each sentence with the best -더군요 form. Read the full Korean sentence aloud, then open the Answer toggle to check the ending and the meaning.
1. 어제 가 보니까 사람이 정말 ＿＿＿＿.
[eo-je ga bo-ni-kka sa-ra-mi jeong-mal ＿＿＿＿]
I went yesterday and noticed there were really many people. 👥
Answer
많더군요 [man-teo-gun-yo] — 많다 → 많더군요.
2. 그 식당은 가격이 생각보다 ＿＿＿＿.
[geu sik-dang-eun ga-gyeo-gi saeng-gak-bo-da ＿＿＿＿]
The restaurant’s price turned out higher than expected. 🍽️💸
Answer
비싸더군요 [bi-ssa-deo-gun-yo] — 비싸다 → 비싸더군요.
3. 민수 씨가 발표를 아주 ＿＿＿＿.
[min-su ssi-ga bal-pyo-reul a-ju ＿＿＿＿]
I noticed Minsu gave the presentation very well. 🧑‍🏫
Answer
잘하더군요 [jal-ha-deo-gun-yo] — 잘하다 → 잘하더군요.
4. 직접 해 보니까 문제가 꽤 ＿＿＿＿.
[jik-jeop hae bo-ni-kka mun-je-ga kkwae ＿＿＿＿]
When I tried it myself, the problem was quite difficult. 🧩
Answer
어렵더군요 [eo-ryeop-deo-gun-yo] — 어렵다 → 어렵더군요.
5. 밤에는 날씨가 정말 ＿＿＿＿.
[ba-me-neun nal-ssi-ga jeong-mal ＿＿＿＿]
At night, I noticed the weather was really cold. 🌙❄️
Answer
춥더군요 [chup-deo-gun-yo] — 춥다 → 춥더군요.
6. 직접 가 보니까 거리가 꽤 ＿＿＿＿.
[jik-jeop ga bo-ni-kka geo-ri-ga kkwae ＿＿＿＿]
When I went there myself, the distance was quite far. 🚶
Answer
멀더군요 [meol-deo-gun-yo] — 멀다 → 멀더군요.
7. 그 책을 읽어 보니 설명이 아주 ＿＿＿＿.
[geu chae-geul il-geo bo-ni seol-myeong-i a-ju ＿＿＿＿]
When I read the book, the explanation was very easy. 📘💡
Answer
쉽더군요 [swip-deo-gun-yo] — 쉽다 → 쉽더군요.
8. 아침에 나가 보니까 비가 많이 ＿＿＿＿.
[a-chi-me na-ga bo-ni-kka bi-ga ma-ni ＿＿＿＿]
When I went out in the morning, it was raining a lot. 🌧️
Answer
오더군요 [o-deo-gun-yo] — 오다 → 오더군요.
9. 새로 생긴 카페가 생각보다 ＿＿＿＿.
[sae-ro saeng-gin ka-pe-ga saeng-gak-bo-da ＿＿＿＿]
The newly opened café turned out quieter than expected. ☕
Answer
조용하더군요 [jo-yong-ha-deo-gun-yo] — 조용하다 → 조용하더군요.
10. 어제 보니까 길이 꽤 ＿＿＿＿.
[eo-je bo-ni-kka gi-ri kkwae ＿＿＿＿]
Yesterday I saw the road was quite complicated/crowded. 🛣️
Answer
복잡하더군요 [bok-jja-pa-deo-gun-yo] — 복잡하다 → 복잡하더군요.
📚
Vocabulary Box
  • 어제 → yesterday
  • 가 보니까 → when I went and saw
  • 사람 → person/people
  • 식당 → restaurant
  • 가격 → price
  • 발표 → presentation
  • 문제 → problem
  • 날씨 → weather
  • 거리 → distance/street
  • 책 → book
  • 설명 → explanation
  • 비가 오다 → to rain
  • 카페 → café
  • 길 → road/path
  • 많다 → to be many
  • 비싸다 → to be expensive
  • 잘하다 → to do well
  • 어렵다 → to be difficult
  • 춥다 → to be cold
  • 멀다 → to be far
  • 쉽다 → to be easy
  • 조용하다 → to be quiet
  • 복잡하다 → to be complicated/crowded
Tip 💡 Stem + -더군요 gives a polished “I noticed…” feeling.
🚀
Want more reps? The Practice Hub below turns -더군요 into a calm, confident reflex. 🧠✨
 
📦
🎯 Practice Hub — Recalling a Past Fact: -더군요
 
Welcome to the polished observation lab. You’ll practice reporting what you personally noticed from visits, books, weather, meetings, performances, and direct attempts — all with the reflective ending -더군요. Think “detective notebook,” but with better grammar and fewer trench coats. 🕵️✨
 
🔊 Audio reminder: Use
Korean Helper Widgets
Korean Helper Widgets when you want to hear a full sentence before checking the Answer toggle.
 
📝 Instructions: Complete each Korean sentence with the best -더군요 form. Say the sentence aloud, notice the reflective tone, then open the Answer toggle.
 

Exercise 1 — Core Adjective Forms 🎨

A. 사람이 정말 ＿＿＿＿.
[sa-ra-mi jeong-mal ＿＿＿＿]
I noticed there were really many people. 👥
Answer
많더군요 [man-teo-gun-yo] — 많다 + -더군요.
B. 가격이 생각보다 ＿＿＿＿.
[ga-gyeo-gi saeng-gak-bo-da ＿＿＿＿]
The price turned out more expensive than expected. 💸
Answer
비싸더군요 [bi-ssa-deo-gun-yo].
C. 문제가 꽤 ＿＿＿＿.
[mun-je-ga kkwae ＿＿＿＿]
I realized the problem was quite difficult. 🧩
Answer
어렵더군요 [eo-ryeop-deo-gun-yo].
D. 날씨가 아주 ＿＿＿＿.
[nal-ssi-ga a-ju ＿＿＿＿]
I noticed the weather was very cold. ❄️
Answer
춥더군요 [chup-deo-gun-yo].
E. 거리가 생각보다 ＿＿＿＿.
[geo-ri-ga saeng-gak-bo-da ＿＿＿＿]
The distance turned out farther than expected. 🚶
Answer
멀더군요 [meol-deo-gun-yo].
F. 설명이 아주 ＿＿＿＿.
[seol-myeong-i a-ju ＿＿＿＿]
I noticed the explanation was very easy. 💡
Answer
쉽더군요 [swip-deo-gun-yo].
G. 카페가 생각보다 ＿＿＿＿.
[ka-pe-ga saeng-gak-bo-da ＿＿＿＿]
The café turned out quieter than expected. ☕
Answer
조용하더군요 [jo-yong-ha-deo-gun-yo].
H. 길이 꽤 ＿＿＿＿.
[gi-ri kkwae ＿＿＿＿]
I noticed the road was quite complicated/crowded. 🛣️
Answer
복잡하더군요 [bok-jja-pa-deo-gun-yo].
I. 음식이 꽤 ＿＿＿＿.
[eum-si-gi kkwae ＿＿＿＿]
I noticed the food was quite spicy. 🌶️
Answer
맵더군요 [maep-deo-gun-yo].
J. 회의가 생각보다 ＿＿＿＿.
[hoe-ui-ga saeng-gak-bo-da ＿＿＿＿]
The meeting turned out simpler than expected. 📝
Answer
간단하더군요 [gan-dan-ha-deo-gun-yo].
🎨
Vocabulary Box
  • 사람 → person/people
  • 가격 → price
  • 문제 → problem
  • 날씨 → weather
  • 거리 → distance
  • 설명 → explanation
  • 카페 → café
  • 길 → road/path
  • 음식 → food
  • 회의 → meeting
  • 많다 → to be many
  • 비싸다 → to be expensive
  • 어렵다 → to be difficult
  • 춥다 → to be cold
  • 멀다 → to be far
  • 쉽다 → to be easy
  • 조용하다 → to be quiet
  • 복잡하다 → to be complicated/crowded
  • 맵다 → to be spicy
  • 간단하다 → to be simple
Tip 💡 For adjectives/descriptive verbs, -더군요 often means “I noticed it was…”
 

Exercise 2 — Direct Experience Starters 🚶

A. 어제 가 보니까 사람이 ＿＿＿＿.
[eo-je ga bo-ni-kka sa-ra-mi ＿＿＿＿]
When I went yesterday, I noticed many people. 👥
Answer
많더군요 [man-teo-gun-yo].
B. 직접 해 보니까 문제가 ＿＿＿＿.
[jik-jeop hae bo-ni-kka mun-je-ga ＿＿＿＿]
When I tried it myself, I realized the problem was difficult. 🧩
Answer
어렵더군요 [eo-ryeop-deo-gun-yo].
C. 책을 읽어 보니 설명이 ＿＿＿＿.
[chae-geul il-geo bo-ni seol-myeong-i ＿＿＿＿]
When I read the book, I noticed the explanation was easy. 📘
Answer
쉽더군요 [swip-deo-gun-yo].
D. 아침에 나가 보니까 비가 ＿＿＿＿.
[a-chi-me na-ga bo-ni-kka bi-ga ＿＿＿＿]
When I went out in the morning, I noticed it was raining. 🌧️
Answer
오더군요 [o-deo-gun-yo].
E. 밤에 보니까 날씨가 ＿＿＿＿.
[ba-me bo-ni-kka nal-ssi-ga ＿＿＿＿]
When I checked at night, I noticed the weather was cold. 🌙
Answer
춥더군요 [chup-deo-gun-yo].
F. 식당에 가 보니까 가격이 ＿＿＿＿.
[sik-dang-e ga bo-ni-kka ga-gyeo-gi ＿＿＿＿]
When I went to the restaurant, the price was expensive. 🍽️
Answer
비싸더군요 [bi-ssa-deo-gun-yo].
G. 카페에 가 보니까 동네가 ＿＿＿＿.
[ka-pe-e ga bo-ni-kka dong-ne-ga ＿＿＿＿]
When I went to the café, I noticed the neighborhood was quiet. ☕
Answer
조용하더군요 [jo-yong-ha-deo-gun-yo].
H. 회의에 가 보니 사람이 별로 ＿＿＿＿.
[hoe-ui-e ga bo-ni sa-ra-mi byeol-lo ＿＿＿＿]
When I went to the meeting, I noticed there were not many people. 🪑
Answer
없더군요 [eop-deo-gun-yo] — 별로 없다 = there are not many / not much.
I. 공연을 보니까 배우들이 ＿＿＿＿.
[gong-yeo-neul bo-ni-kka bae-u-deu-ri ＿＿＿＿]
When I watched the performance, I noticed the actors did well. 🎭
Answer
잘하더군요 [jal-ha-deo-gun-yo].
J. 어제 보니까 길이 ＿＿＿＿.
[eo-je bo-ni-kka gi-ri ＿＿＿＿]
Yesterday I noticed the road was crowded/complicated. 🛣️
Answer
복잡하더군요 [bok-jja-pa-deo-gun-yo].
🚶
Vocabulary Box
  • 어제 → yesterday
  • 직접 → directly / personally
  • 해 보니까 → when I tried doing it
  • 읽어 보니 → when I read it
  • 아침 → morning
  • 나가 보니까 → when I went out
  • 밤 → night
  • 식당 → restaurant
  • 동네 → neighborhood
  • 회의 → meeting
  • 공연 → performance
  • 배우 → actor
  • 별로 없다 → not many / not much
  • 오다 → to come; for rain, to fall
  • 잘하다 → to do well
Tip 💡 Starters like 가 보니까, 직접 해 보니까, and 읽어 보니 make the “direct observation” feeling obvious.
 

Exercise 3 — Tone Check: -더군요 vs -더라고요 🗣️

A. 생각보다 어렵＿＿＿＿.
[saeng-gak-bo-da eo-ryeop＿＿＿＿]
Use the more polished ending: It was harder than expected. 🧠
Answer
어렵더군요 [eo-ryeop-deo-gun-yo] — polished / reflective.
B. 생각보다 어렵＿＿＿＿.
[saeng-gak-bo-da eo-ryeop＿＿＿＿]
Use the more casual everyday ending: It was harder than expected. 🗨️
Answer
어렵더라고요 [eo-ryeop-deo-ra-go-yo] — conversational / common.
C. 사람이 많＿＿＿＿.
[sa-ra-mi man＿＿＿＿]
Choose the composed “I noticed” style. 👥
Answer
많더군요 [man-teo-gun-yo].
D. 사람이 많＿＿＿＿.
[sa-ra-mi man＿＿＿＿]
Choose the casual observation style. 👥
Answer
많더라고요 [man-teo-ra-go-yo].
E. 가격이 비싸＿＿＿＿.
[ga-gyeo-gi bi-ssa＿＿＿＿]
Use the more polished ending. 💸
Answer
비싸더군요 [bi-ssa-deo-gun-yo].
F. 가격이 비싸＿＿＿＿.
[ga-gyeo-gi bi-ssa＿＿＿＿]
Use the casual everyday ending. 💸
Answer
비싸더라고요 [bi-ssa-deo-ra-go-yo].
G. 날씨가 춥＿＿＿＿.
[nal-ssi-ga chup＿＿＿＿]
Choose the composed “as I noticed” ending. ❄️
Answer
춥더군요 [chup-deo-gun-yo].
H. 날씨가 춥＿＿＿＿.
[nal-ssi-ga chup＿＿＿＿]
Choose the friendly conversational ending. ❄️
Answer
춥더라고요 [chup-deo-ra-go-yo].
I. 발표를 잘하＿＿＿＿.
[bal-pyo-reul jal-ha＿＿＿＿]
Use the polished observation ending. 🧑‍🏫
Answer
잘하더군요 [jal-ha-deo-gun-yo].
J. 발표를 잘하＿＿＿＿.
[bal-pyo-reul jal-ha＿＿＿＿]
Use the casual observation ending. 🧑‍🏫
Answer
잘하더라고요 [jal-ha-deo-ra-go-yo].
🗣️
Vocabulary Box
  • 생각보다 → than expected
  • 어렵다 → to be difficult
  • 사람 → person/people
  • 많다 → to be many
  • 가격 → price
  • 비싸다 → to be expensive
  • 날씨 → weather
  • 춥다 → to be cold
  • 발표 → presentation
  • 잘하다 → to do well
  • -더군요 → polished recalled observation
  • -더라고요 → casual recalled observation
Tip 💡 Meaning overlaps; tone differs. -더군요 wears a blazer, -더라고요 wears a hoodie.
 

Exercise 4 — Build Natural Sentences 🧱

A. 그 책을 읽어 보니 설명이 ＿＿＿＿.
[geu chae-geul il-geo bo-ni seol-myeong-i ＿＿＿＿]
When I read that book, the explanation was simple. 📘
Answer
간단하더군요 [gan-dan-ha-deo-gun-yo].
B. 직접 먹어 보니까 음식이 ＿＿＿＿.
[jik-jeop meo-geo bo-ni-kka eum-si-gi ＿＿＿＿]
When I tried the food myself, it was spicy. 🌶️
Answer
맵더군요 [maep-deo-gun-yo].
C. 어제 회의에 가 보니 길이 ＿＿＿＿.
[eo-je hoe-ui-e ga bo-ni gi-ri ＿＿＿＿]
When I went to the meeting yesterday, the route was complicated. 🛣️
Answer
복잡하더군요 [bok-jja-pa-deo-gun-yo].
D. 밤에 동네를 보니까 아주 ＿＿＿＿.
[ba-me dong-ne-reul bo-ni-kka a-ju ＿＿＿＿]
At night, I saw the neighborhood was very quiet. 🌙
Answer
조용하더군요 [jo-yong-ha-deo-gun-yo].
E. 공연을 보니까 배우들이 정말 ＿＿＿＿.
[gong-yeo-neul bo-ni-kka bae-u-deu-ri jeong-mal ＿＿＿＿]
When I watched the performance, the actors were really good. 🎭
Answer
잘하더군요 [jal-ha-deo-gun-yo].
F. 식당에 가 보니까 사람이 별로 ＿＿＿＿.
[sik-dang-e ga bo-ni-kka sa-ra-mi byeol-lo ＿＿＿＿]
When I went to the restaurant, there were not many people. 🍽️
Answer
없더군요 [eop-deo-gun-yo].
G. 아침에 보니까 비가 많이 ＿＿＿＿.
[a-chi-me bo-ni-kka bi-ga ma-ni ＿＿＿＿]
In the morning, I noticed it was raining a lot. 🌧️
Answer
오더군요 [o-deo-gun-yo].
H. 직접 가 보니까 거리가 생각보다 ＿＿＿＿.
[jik-jeop ga bo-ni-kka geo-ri-ga saeng-gak-bo-da ＿＿＿＿]
When I went there myself, the distance was farther than expected. 🚶
Answer
멀더군요 [meol-deo-gun-yo].
I. 문제를 보니까 생각보다 ＿＿＿＿.
[mun-je-reul bo-ni-kka saeng-gak-bo-da ＿＿＿＿]
When I looked at the problem, it was easier than expected. 💡
Answer
쉽더군요 [swip-deo-gun-yo].
J. 밤에는 날씨가 꽤 ＿＿＿＿.
[ba-me-neun nal-ssi-ga kkwae ＿＿＿＿]
At night, I noticed the weather was quite cold. ❄️
Answer
춥더군요 [chup-deo-gun-yo].
🧱
Vocabulary Box
  • 책 → book
  • 읽어 보니 → when I read it
  • 직접 먹어 보니까 → when I tried eating it myself
  • 어제 → yesterday
  • 회의 → meeting
  • 밤 → night
  • 동네 → neighborhood
  • 공연 → performance
  • 배우 → actor
  • 식당 → restaurant
  • 별로 없다 → not many / not much
  • 아침 → morning
  • 비가 오다 → to rain
  • 거리 → distance
  • 문제 → problem
  • 간단하다 → to be simple
  • 맵다 → to be spicy
  • 복잡하다 → to be complicated/crowded
  • 조용하다 → to be quiet
  • 잘하다 → to do well
Tip 💡 Keep the sentence natural: a direct-experience starter + a noticed fact + -더군요.
 

Exercise 5 — Mixed Mastery + Pitfall Patrol 🛡️

A. ❌ 지금 춥더군요. → current noticing should be: ＿＿＿＿.
[ji-geum chup-deo-gun-yo → ＿＿＿＿]
Fix the current-state sentence. ❄️
Answer
지금 추워요 [ji-geum chu-wo-yo] or 춥네요 [chum-ne-yo]. -더군요 recalls a past observation.
B. ❌ 친구가 말했는데, 가격이 비싸더군요. → if you only heard it, use: 가격이 ＿＿＿＿.
[chin-gu-ga mal-haet-neun-de, ga-gyeo-gi bi-ssa-deo-gun-yo → ga-gyeo-gi ＿＿＿＿]
Fix the hearsay problem. 💸
Answer
비싸대요 [bi-ssa-dae-yo] — use hearsay when someone else said it. Use 비싸더군요 only for your own observation.
C. ❌ 비싸었더군요 → ✅ ＿＿＿＿
[bi-ssa-eot-deo-gun-yo → ＿＿＿＿]
Fix the over-past-tense form. 💸
Answer
비싸더군요 [bi-ssa-deo-gun-yo] — for a recalled state, attach directly to the adjective stem.
D. 어제 가 보니까 사람이 정말 ＿＿＿＿.
[eo-je ga bo-ni-kka sa-ra-mi jeong-mal ＿＿＿＿]
Use the polished observation ending. 👥
Answer
많더군요 [man-teo-gun-yo].
E. 직접 해 보니까 생각보다 ＿＿＿＿.
[jik-jeop hae bo-ni-kka saeng-gak-bo-da ＿＿＿＿]
I tried it myself and found it harder than expected. 🧠
Answer
어렵더군요 [eo-ryeop-deo-gun-yo].
F. 새로 생긴 카페가 ＿＿＿＿.
[sae-ro saeng-gin ka-pe-ga ＿＿＿＿]
I noticed the newly opened café was quiet. ☕
Answer
조용하더군요 [jo-yong-ha-deo-gun-yo].
G. Which sounds more polished?
① 어렵더군요 / ② 어렵더라고요
Answer
① 어렵더군요 — more reflective and composed.
H. Which sounds more casual and common in everyday speech?
① 춥더군요 / ② 춥더라고요
Answer
② 춥더라고요 — more conversational.
I. 공연을 보니까 배우들이 아주 ＿＿＿＿.
[gong-yeo-neul bo-ni-kka bae-u-deu-ri a-ju ＿＿＿＿]
I watched the performance and noticed the actors were very good. 🎭
Answer
잘하더군요 [jal-ha-deo-gun-yo].
J. 그 책은 설명이 ＿＿＿＿.
[geu chae-geun seol-myeong-i ＿＿＿＿]
I noticed that book’s explanation was easy. 📘
Answer
쉽더군요 [swip-deo-gun-yo].
🛡️
Vocabulary Box
  • 지금 → now
  • 춥다 → to be cold
  • 친구 → friend
  • 말하다 → to say
  • 가격 → price
  • 비싸다 → to be expensive
  • 어제 → yesterday
  • 사람 → person/people
  • 직접 → directly / personally
  • 생각보다 → than expected
  • 새로 생긴 → newly opened
  • 카페 → café
  • 공연 → performance
  • 배우 → actor
  • 책 → book
  • 설명 → explanation
  • 많다 → to be many
  • 어렵다 → to be difficult
  • 조용하다 → to be quiet
  • 잘하다 → to do well
  • 쉽다 → to be easy
Tip 💡 Pitfall patrol rule: -더군요 = past direct observation, not current noticing and not secondhand hearsay.
 
🎉 Beautiful work — you can now report remembered facts with a polished tone: 많더군요, 비싸더군요, 어렵더군요. Your Korean now has a reflective “I noticed…” setting. 🕵️✨