-(으)ㄹ 텐데
Used to express the speaker's strong expectation or assumption as background context for a subsequent suggestion, question, or contrasting statement.
Summary
Equivalent
I suppose that... so/but
Also: -(으)ㄹ 것 같은데 (I think it will... so/but)
Example
I expect the weather will be cold tomorrow, so dress warmly when you go.
내일 날씨가 추울 텐데 따뜻하게 입고 가세요.
Grammar rules
- The first clause holds the assumption, and the second clause carries a related suggestion or contrasting fact.
- Can also be used at sentence end as '-(으)ㄹ 텐데요' to express indirect supposition or regret.
- '-(으)ㄹ 텐데요' at sentence end often invites the listener to react or provide a solution.
지금 출발하면 길이 많이 막힐 텐데요... (If you leave now, the roads will probably be congested... [implying: maybe leave later?])
Patterns
Current/Future Supposition
Present/Future · Stem + (으)ㄹ 텐데
Past Supposition
Past · Stem + 았/었/했을 텐데
Nouns
Present · Noun + 일 텐데
Example sentences
I expect the weather will be cold tomorrow, so dress warmly when you go.
내일 날씨가 추울 텐데 따뜻하게 입고 가세요.
You must be busy preparing for the meeting, so thank you for helping.
회의 준비로 바쁘실 텐데 도와주셔서 감사합니다.
If I had woken up a little earlier, I suppose I could have caught the train. What a shame.
조금 일찍 일어났으면 기차를 탈 수 있었을 텐데 아쉬워요.
Conversation
A: Will you be able to carry this luggage to the post office by yourself?
이 짐을 우체국까지 혼자 들고 갈 수 있겠어요?
B: I suppose it will be a bit heavy, but I'll give it a try.
조금 무거울 텐데 한 번 해 볼게요.
Practice
Fill in the blank
Select the correct supposition + background form.
Waiting.
Spicy.