I had not realized she was not in her office until she called me. He did not realize the value of health until he got sick. 둘다 책에있는 예문인데 첫문장은 왜 had not 이고 둘째문장은 왜 그냥 did not 이야?
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I had not realized she was not in her office until she called me. He did not realize the value of health until he got sick. 둘다 책에있는 예문인데 첫문장은 왜 had not 이고 둘째문장은 왜 그냥 did not 이야?
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