did not, was not (negates the preceding verb or adjective in the past)
→ 않다
않not (forms a negation after -지)+았past tense+죠Polite sentence ending (confirmatory or rhetorical)
auxiliary · formal, past tenseCommon#4,461
did not, was not (negates the preceding verb or adjective in the past)The ending -죠 often makes the sentence sound like the speaker is seeking agreement or confirmation.