得ないenai“unable to; cannot; it is not possible to”

得ない（えない） means unable to; cannot; it is not possible to ~. It is a JLPT N2 Japanese grammar pattern used to express that something is logically or practically impossible; inconceivable.

This grammar point often appears in essays, formal writing, conversations, and JLPT N2 reading passages. If you want to express that something is logically or practically impossible; inconceivable, 得ない（えない） is a useful pattern to learn because it adds natural precision to your Japanese.

What does 得ない（えない） mean?

Use 得ない（えない） when you want to express that something is logically or practically impossible; inconceivable.

Natural translations include:

• unable to; cannot; it is not possible to ~

How to form 得ない（えない）

Verb (ます-stem) + 得ない

Examples of the pattern:

• 考え得ない
• あり得ない

When is 得ない（えない） used?

Use 得ない（えない） in situations like:

• stating that something is impossible or inconceivable

Tone and register:

• formal; common in written arguments and analysis
• Common in test questions, essays, daily conversation, and JLPT N2 reading

得ない（えない） example sentences

• そんなことはあり得ない。 — That’s impossible.
• これ以上の幸せは考え得ない。 — I can’t imagine any greater happiness than this.
• 彼が失敗するとは考え得ない。 — It’s inconceivable that he would fail.
• この結果は予測し得なかった。 — This result could not have been predicted.
• それは信じ得ない話だ。 — That’s an unbelievable story.

After reading each sentence, ask what job 得ない（えない） is doing: something is logically or practically impossible; inconceivable.

Nuance of 得ない（えない）

The key nuance is something is logically or practically impossible; inconceivable.

For example:

• In context, it carries a specific, nuanced meaning that a simpler pattern would not convey.
• Compared with できない, it carries a different weight and implication.

得ない（えない） vs できない

得ない（えない）:

• something is logically or practically impossible; inconceivable

できない:

• cannot (casual/general)

Quick contrast examples:

• あり得ない。
• できない。

Common mistakes with 得ない（えない）

Watch out for these mistakes:

• Translating it too literally without understanding the nuance
• Using it in contexts where the situation doesn’t match the grammar’s core meaning
• Confusing it with similar-looking but different grammar patterns

A helpful practice method is to write one sentence with 得ない（えない）, then rewrite it with できない. If the meaning or tone changes, explain that difference in your own words.

Is 得ない（えない） on the JLPT?

Yes. 得ない（えない） is commonly taught as JLPT N2 grammar.

That means learners should be able to:

• recognize it in reading
• understand its nuance in context
• use it in simple original sentences

Practice questions for 得ない（えない）

• Use 得ない（えない） in a sentence about a personal experience or observation.
• Write a sentence where the nuance of 得ない（えない） is necessary.
• Compare 得ない（えない） with できない in your own example.

Learning path for 得ない（えない）

To learn 得ない（えない） efficiently, start with its formation, then compare it with similar patterns, and finally practice in context.

1. First, make sure you can form 得ない（えない） without looking at the pattern chart.
2. Next, compare it with できない.
3. Finally, write sentences where 得ない（えない） is necessary; then check whether replacing it with one of the related patterns below changes the meaning.

Related grammar to review next

• 得る（える / うる） — because it is the direct positive counterpart
• っこない — because it also expresses strong denial of possibility
• ものか / もんか — because it also denies that something can be true

Learn 得ない（えない） with Hane

If you want to review 得ない（えない） together with the related patterns above, Hane helps you practice Japanese in short, focused sessions.

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