V + -았/었더니 (After I did..., I found that / Because I did...)
Meaning: After doing the first action, the speaker discovers a new result or experiences a consequence in the second clause.
Conjugation & Pattern
- Vowels ㅏ, ㅗ + -았더니
- Other vowels + -었더니 | 하다 -> 했더니
Detailed Usage
The subject of the first clause is typically first person (I/we). Expresses experiencing a physical/emotional consequence or discovering a new state after completing the first action.
Example Sentences
- 1
어젯밤에 밤을 새웠더니 너무 피곤하다.
Eojetbame bameul saewotdeoni neomu pigonhada.
Because I stayed up all night last night, I am exhausted.
- 2
술을 많이 마셨더니 오늘 머리가 아파요.
Sureul mani masyeotdeoni oneul meoriga apayo.
Because I drank too much alcohol, I have a headache today.
- 3
오랜만에 그 사람을 만났더니 기분이 참 좋았다.
Oraenmane geu sarameul mannatdeoni gibuni cham jotatda.
After meeting that person for the first time in a while, I felt great.
Important Notes
When the first clause subject is second or third person observed by the speaker, '-더니' is typically used instead.
