〜ずにはおかない

cannot help but / inevitably

N1modality

〜ずにはおかない expresses cannot help but / inevitably — communicating the speaker's degree of certainty, judgment, or attitude about a statement. Modal expressions in Japanese range from strong conviction to vague possibility, and choosing the right one conveys important nuance about how sure you are.

This is a highly advanced pattern found mainly in literary works, formal speeches, legal documents, and academic writing. It is rarely used in casual conversation.

Structure

Verb(ない-stem) + ずにはおかない

When to Use#

  • When something inevitably happens as a natural consequence
  • When an outcome is so compelling it cannot be avoided

When NOT to Use#

  • In casual conversation — this sounds literary or stiff; use a simpler expression

Example Sentences#

  • 歴史を学ぶと、現在について考えずにはおかれません。 — Understanding history makes one feel compelled to reflect on the present.
  • 優れた指導は、必ず有能な部下を育てずにはおきません。 — Excellent mentorship inevitably produces capable subordinates.
  • そのような無礼な発言は、怒りを買わずにはおきません。 — Such disrespectful remarks will inevitably provoke anger.

Practice#

Try reading these sentences aloud, then check the translation and vocabulary:

N1worldview

Understanding history makes one feel compelled to reflect on the present.

Neutral

歴史(れきし)(まな)ぶと、現在(げんざい)について(かんが)えずにはおかれません。

Casual

歴史(れきし)(まな)ぶと、現在(げんざい)について(かんが)えずにはおかれない。

Vocabulary
歴史history学ぶto learn現在present, now考えるto think about
Grammar
〜ずにはおかれないcannot help but, compelled to
Try in JIVX
N1excellence

Excellent mentorship inevitably produces capable subordinates.

Neutral

(すぐ)れた指導(しどう)は、(かなら)有能(ゆうのう)部下(ぶか)(そだ)てずにはおきません。

Casual

(すぐ)れた指導(しどう)は、(かなら)有能(ゆうのう)部下(ぶか)(そだ)てずにはおかない。

Vocabulary
優れるto be excellent指導guidance; instruction有能capable; competent部下subordinate
Grammar
〜ずにはおかないcannot help but; inevitably will
Try in JIVX

Common Mistakes#

  1. Using 〜ずにはおかない interchangeably with 〜ざるを得ない — These patterns are similar but not identical. 〜ざるを得ない (have no choice but to) may be preferred in different contexts or registers.
  2. Using 〜ずにはおかない in casual conversation — This pattern sounds overly formal or literary in casual speech. Reserve it for formal writing, presentations, or situations that call for elevated language.
  3. Direct translation from English — The concept expressed by 〜ずにはおかない may not map one-to-one with its English translation. Focus on understanding the Japanese usage through example sentences rather than relying on the English gloss.

Related Patterns

Practice this grammar in JIVX

Reinforce 〜ずにはおかない with AI-graded sentence practice and spaced repetition.

Start Practicing Free