How to use 았을/었을 텐데요 in Korean

Pattern: -(았/었)을 텐데요

-(았/었)을 텐데요 (-(ass, (ass, eoss)eulten-de-yo, eoss)eultendeyo)

-(았/었)을 텐데요 expresses past speculation or regret in Korean.

Explanation of how to use -(았/었)을 텐데요 in Korean

Usage guide

When and how native speakers actually use it.

-(았/었)을 텐데요(-(ass, (ass, eoss)eulten-de-yo, eoss)eultendeyo)

Expresses speculation or regret about a past event or situation.

When to use

Past speculation, Expressing regret, Empathizing with others

The nuance

-(았/었)을 텐데요 attaches to the past tense form of verbs or adjectives to express speculation or regret about past events. It is often used to gently guess someone’s situation or to politely express one’s own regret.

Real-world examples

  • 그때 연락했으면 만났을 텐데요.

    geu-ttae yeon-rak-haess-eu-myeon man-nass-eul ten-de-yo., geu ttae yeon rak haess eu myeon man nass eul ten de yo.

    Uses past perfect conditional + -(었)을 텐데요 to express regret about a past situation.

  • 비가 왔을 텐데요, 우산을 챙기세요.

    bi-ga wass-eul ten-de-yo, u-san-eul chaeng-gi-se-yo., bi ga wass eul ten de yo, u san eul chaeng gi se yo.

    Expresses past speculation by attaching -(었)을 텐데요 to past tense verb.

  • 어제 시험이 어려웠을 텐데요.

    eo-je si-heom-i eo-ryeo-woss-eul ten-de-yo., eo je si heom i eo ryeo woss eul ten de yo.

    Naturally expresses speculation about a past fact.

  • 그 사람은 집에 있었을 텐데요.

    geu sa-ram-eun jip-e iss-eoss-eul ten-de-yo., geu sa ram eun jip e iss eoss eul ten de yo.

    Indicates speculation about a past situation.

  • 그때 갔을 텐데요.

    geu-ttae gass-eul ten-de-yo., geu ttae gass eul ten de yo.

    Expresses speculation that an action was done in the past.

  • 내가 도와줬을 텐데요.

    nae-ga do-wa-jwoss-eul ten-de-yo., nae ga do wa jwoss eul ten de yo.

    Politely speculates or expresses regret about helping in the past.

  • 그때 말했을 텐데요.

    geu-ttae mal-haess-eul ten-de-yo., geu ttae mal haess eul ten de yo.

    Indicates speculation about having said something in the past.

  • 그가 왔을 텐데요.

    geu-ga wass-eul ten-de-yo., geu ga wass eul ten de yo.

    Speculates about the possibility of someone coming in the past.

Quick quiz

  1. Which sentence correctly uses -(았/었)을 텐데요?

    다음 중 -(았/었)을 텐데요를 올바르게 사용한 문장은?(da-eumjung-(ass, daeumjung(ass, eoss)eulten-de-yo-reulol-ba-reu-gesa-yong-hanmun-jang-eun?, eoss)eultendeyoreulolbareugesayonghanmunjangeun?)
  2. What is the best meaning of -(았/었)을 텐데요?

    -(았/었)을 텐데요의 의미로 가장 적절한 것은?(-(ass, (ass, eoss)eulten-de-yo-uiui-mi-roga-jangjeok-jeol-hangeos-eun?, eoss)eultendeyouiuimirogajangjeokjeolhangeoseun?)
  3. Find the error in this sentence: '그때 전화했을 텐데요.'

    다음 문장에서 틀린 부분은? '그때 전화했을 텐데요.'(da-eummun-jang-e-seoteul-rinbu-bun-eun?'geu-ttaejeon-hwa-haess-eulten-de-yo.', daeummunjangeseoteulrinbubuneun?'geuttaejeonhwahaesseultendeyo.')

More usage guides

View all usage guides →