선생님을

In a sentence

• 선생님을 만났습니다.

  I met the teacher.

  Here, '선생님을' is the object of the verb '만났습니다' (met). It is used in the accusative case to indicate the teacher as the person encountered.

• 책을 선생님을 위해 샀습니다.

  I bought a book for the teacher.

  In this sentence, '선생님을' is part of the phrase '선생님을 위해' (for the teacher), indicating the purpose or recipient of the action performed by the speaker.

• 나는 선생님을 아주 존경합니다.

  I deeply respect the teacher.

  Here, '선생님을' is used as the object of '존경합니다' (respect). It marks the teacher as the entity being respected.