〜かねる

Cannot/hard to

Level 3Sounds Like kaneru

〜かねる is a formal auxiliary verb used in business or professional settings to politely refuse a request or express an inability to do something. It implies that while you might want to help, external rules or internal hesitation make it impossible.

How It Works

The grammar pattern 〜かねる is a staple of formal Japanese and business etiquette. It functions as a polite 'no' by shifting the focus from a simple lack of ability to a situational constraint.

Key characteristics include:

  • Professional Refusal: In customer service, saying 'I don't know' (知りません) or 'I can't do that' (できません) sounds blunt and rude. Using わかりかねます (I am unable to know) or いたしかねます (I am unable to do) suggests that the speaker is bound by company policy or lack of information.
  • Psychological Hesitation: It can also express that the speaker finds it difficult to perform an action due to internal conflict, such as 決めかねる (unable to decide).
  • Grammar Note: Although it looks like a verb, it is an auxiliary. It conjugates as an Ichidan (Group 2) verb.
  • Kanji: While the kanji 兼ねる exists, it is almost always written in hiragana when used as this specific grammar pattern.

Examples (4)

  1. 申し訳ございませんが、私では分かりかねます。

    I am terribly sorry, but I am unable to know (the answer) myself.

    Word by Word: Apology exists but, as for me, understand-cannot.

    This is a standard business phrase used when a staff member doesn't have the information requested.

  2. そのご要望には応じかねます。

    We are unable to comply with that request.

    Word by Word: That request to-as-for, respond-cannot.

    A formal way to decline a customer's request without being overly blunt.

  3. 彼は進学するか就職するか、決めかねているようだ。

    He seems unable to decide whether to continue his education or get a job.

    Word by Word: He as-for, education-do or employment-do or, decide-cannot-ing seems.

    Here, the pattern expresses internal hesitation rather than a professional boundary.

  4. 納得しかねる点がございますので、もう一度説明していただけますか。

    There are some points I find difficult to accept, so could you explain them once more?

    Word by Word: Acceptance-do-cannot points exist because, one more time explanation do-receive can?

    Using かねる here makes the disagreement sound more objective and polite.

Common Mistakes

  • Using it for physical skills or simple lack of ability.

    英語が話し兼ねます。
    英語が話せません。

    〜かねる is for situational or psychological inability. For a general lack of skill (like speaking a language), use the standard potential negative form.

  • Confusing 〜かねる with 〜かねない.

    事故が起きかねます。
    事故が起きかねない。

    While 〜かねる means 'cannot,' the negative form 〜かねない actually means 'might' or 'could' (usually regarding a negative outcome).

How It Connects

Tap a pattern to see what it builds on and what it leads to.

〜かねるLevel 3Cannot/hard to

Learn This First

To understand 〜かねる, you must first know how to conjugate verbs into their stem form (ます-stem). It is also important to understand that this pattern is a formal way to express 'cannot' due to psychological hesitation or professional constraints, rather than a simple lack of physical ability.

Words in This Pattern

かねる