Strongly forbidden with 〜べからず
Grammar: Prohibition » 〜べからず
An old-fashioned way to strongly forbid an action is to add べからず after a verb. This form may be seen on signs, although it is more common to see 禁止.
Usage
When modifying a noun, べからざる is used.
Further Reading
- Things that should be a certain way (guidetojapanese.org)
- 〜べからず・〜べからざる｜日本語能力試験 JLPT N１ (edewakaru.com)
- 【Ｎ１文法】～べからず (mainichi-nonbiri.com)
Related Grammar
- Should not do with 〜てはいけない
- Used to discourage (rather than prohibit) an action.
- Must not do with 〜てはだめだ
- Used to prohibit (rather than simply discourage) an action.
Examples
Doing as you please is strictly forbidden with 〜べからず
Sazanka sneaks out of class, leaving the teacher to send Asagao to bring her back. As Asagao chases Sazanka across the rooftops near the upper grade classroom, Tsubaki spots them. She meets them up on the roof and recites the school’s first rule.
- ツバキ:
- 「ひとつ。無断で勝手な行動をとるべからず。」
- “One: Doing as you please without permission is strictly forbidden.”