N3 · Structured courses

～ka ~nai ka no Uchi ni: No Sooner Than

Learn this pattern for two actions happening almost simultaneously — "no sooner had X happened than Y." 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 — "no sooner had X happened than Y."
  • Form and connection: [Verb辞书形] か [Verb nai-form] かのうちに
  • Nuance in real use: This grammar shows Japanese's fine-grained sense of time — か～ないかのうちに captures the subtle gap where "one thing hasn't quite finished but the next has already begun."

Form and connection

[Verb辞书形] か [Verb nai-form] かのうちに

Core Explanation

Learn this pattern for two actions happening almost simultaneously — "no sooner had X happened than Y."

Cultural Note

This grammar shows Japanese's fine-grained sense of time — か～ないかのうちに captures the subtle gap where "one thing hasn't quite finished but the next has already begun."

Practical examples

No sooner had he sat down than he started eating.
No sooner had I gotten into bed than I fell asleep.
The students left the classroom the moment class ended.

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] かのうちに
2. Explain the meaning of the first example.
Show answerNo sooner had he sat down than he started eating.
3. Rewrite the final example using this lesson pattern.
Show answer授業じゅぎょうが終おわるか終おわらないかのうちに学生がくせいたちは教室きょうしつを出でた。 ([Verb辞书形] か [Verb nai-form] かのうちに)

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