N3 · Structured courses

～ka～nai ka no Uchi ni: No Sooner Than

Learn this pattern for two actions happening almost simultaneously. This lesson combines form, context, examples, common mistakes, and practice so you can use the pattern in real communication.

12 minNihongo Hub Editorial TeamPublished 2026-06-06Updated 2026-06-06

Learning objectives

  • Lesson goals: Learn this pattern for two actions happening almost simultaneously.
  • Form and connection: [Verb辞书形] か [Verb nai-form] ないかのうちに
  • Nuance in real use: か〜ないかのうちに compresses the time between two actions to the limit — not "and then" but "before there was even time for then." It captures life's seamless transitions.

Form and connection

[Verb辞书形] か [Verb nai-form] ないかのうちに

Core Explanation

Learn this pattern for two actions happening almost simultaneously.

Cultural Note

か〜ないかのうちに compresses the time between two actions to the limit — not "and then" but "before there was even time for then." It captures life's seamless transitions.

Practical examples

No sooner had I sat down than the phone rang.
The bell rang just as the teacher was about to enter.

Common pitfalls

Build the base form before adding the pattern

Complete the required conjugation first. Do not keep polite and plain endings at the same time.

Match politeness to the situation

The examples are reliable starting points; relationships and context can still change the most natural wording.

Practice and answers

1. Write the connection formula for this lesson.
Show answer[Verb辞书形] か [Verb nai-form] ないかのうちに
2. Explain the meaning of the first example.
Show answerNo sooner had I sat down than the phone rang.
3. Rewrite the final example using this lesson pattern.
Show answer先生せんせいが来くるか来こないかのうちにベルが鳴なった。 ([Verb辞书形] か [Verb nai-form] ないかのうちに)

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