나지

In a sentence

• 나는 드디어 좋은 기회가 온 것 같아. 이런 기회는 자주 오지 않아.

  I feel like finally a good opportunity has come. Such opportunities don't come often.

  In this context, "오지" uses the form of the verb "오다," meaning "to come," in the negative form within a descriptive statement.

• 이 음악을 듣고 나니 옛 추억이 나지 않을 수가 없네요.

  After listening to this music, I can't help but recall old memories.

  Here, "나지" derives from "나다," meaning "to arise or come out," used reflexively in expressing the arising of memories.

• 이 정도로 화창한 날씨가 나지 않으면 걱정하지 마세요.

  If the weather doesn't get this sunny, don't worry.

  In this example, "나지 않으면" comes from "나다," used metaphorically for describing the occurrence of pleasant weather.