Question

내 전화번호 궁금하지 않아? Long negatives like -지 않- and -지 못하- sound less direct and more formal than their short versions.The use of long negatives is an appropriate way to negate long (three and more syllables) adjectives and verbs.Negatives for some verbs and adjectives can be formed only with long negative forms.

Accepted Answer

Don't you want my phone number?

Front	내 전화번호 궁금하지 않아?
Back	Don't you want my phone number?
Notes	Long negatives like -지 않- and -지 못하- sound less direct and more formal than their short versions. The use of long negatives is an appropriate way to negate long (three and more syllables) adjectives and verbs. Negatives for some verbs and adjectives can be formed only with long negative forms.

Long Negatives 지 Adjectives 내 전화번호 궁금하지 않아