But, However, Though, Whereas
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.
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