JLPT N1

〜ru bekara zu

Expresses the idea of 'must not do' or 'should not do'.

Formation

Explanation

The ~るべからず grammar point is used to express a strong prohibition or firmly established rule. It can be translated as 'must not do' or 'should not do'. It is common in formal or instructive settings (e.g., signs, notices). The formation is straightforward with verbs in dictionary form followed by べからず.

Example sentences

  • One must not tell lies.

    Uso o tsuku bekara zu.

  • You must not leak their secrets.

    Karera no himitsu o morasu bekara zu.

  • You must not break the rules.

    Ruuru o yaburu bekara zu.

  • One must not neglect their studies.

    Benkyou o okotaru bekara zu.