A/V-(으)ㄴ/는데

But, However, Though, Whereas

Explanation

This pattern is used when the information in the second clause of the sentence is opposite of, in contrast to, or an unexpected result of what is presented in the first clause. It corresponds to "but" in English. When added to an adjective ending in a vowel, -ㄴ데 is added while -은데 is added to an adjective ending in a consonant. As for present tense verbs, past tense verbs, and 있다/없다, -는데 is added.

Details
Examples
낮에는 차가 <span class='focus'>많은데</span> 밤에는 차가 없어요.
In the afternoon, there are a lot of cars, but at night, there aren’t any.
저는 오빠는 <span class='focus'>있는데</span> 언니는 없어요.
I have an older brother, but not an older sister.
노래는 <span class='focus'>못하는데</span> 춤은 잘 춰요.
I can’t sing, but I can dance well.

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