JLPT N16 min readUpdated May 18, 2026Grammar pattern

が早いかga hayai ka“no sooner than; as soon as”

Use が早いか when you want to express that an action takes place the very moment the previous action happens. It underscores that the second action is immediate and often involuntary, surprising, or inevitable.

Meaning
no sooner than; as soon as
Pattern
が早いか
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JLPT grammar
JLPT
N1

が早い(はやい)か means no sooner than; as soon as ~. It is a JLPT N1 Japanese grammar pattern used to express that immediately after one action, another action occurs, often with a sense of speed, urgency, or uncontrollable sequence.

This grammar point appears in literature, essays, formal narratives, and JLPT N1 reading passages. If you want to express that one event follows the previous one with almost no gap, が早い(はやい)か is a useful pattern to learn because it adds literary precision to your Japanese.

What does が早いか mean?

Use が早い(はやい)か when you want to express that an action takes place the very moment the previous action happens. It underscores that the second action is immediate and often involuntary, surprising, or inevitable.

Natural translations include:

  • no sooner than; as soon as ~

In many cases, “no sooner than” captures the dramatic immediacy better than a simple “as soon as.”

How to form が早いか

The pattern attaches to the verb in its plain dictionary form. No other conjugations are allowed.

動詞(どうし)辞書(じしょ)形(けい) + が早い(はやい)か

Examples of the pattern:

  • 見る(みる)が早い(はやい)か
  • 聞く(きく)が早い(はやい)か
  • 走り出す(はしりだす)が早い(はやい)か

In JLPT questions, distractors often use a similar meaning but attach が早い(はやい)か to a て-form or a noun — both of which are ungrammatical.

When is が早いか used?

Use が早い(はやい)か in situations like:

  • describing dramatic, sudden changes in a narrative
  • expressing that the second action happens so fast it feels uncontrollable
  • connecting actions in formal, literary, or journalistic prose

Tone and register:

  • formal to literary; rare in casual conversation
  • Common in novels, newspapers, and JLPT N1 reading comprehension

が早いか example sentences

家(いえ)に帰(かえ)るが早(はや)いか、冷蔵庫(れいぞうこ)を開(あ)けてビールを飲(の)んだ。
No sooner had he come home than he opened the fridge and drank a beer.
#daily_life
彼女(かのじょ)は試験(しけん)問題(もんだい)を見(み)るが早(はや)いか、答(こた)えを書(か)き始(はじ)めた。
The moment she saw the exam questions, she started writing her answers.
#exam
電話(でんわ)を切(き)るが早(はや)いか、彼(かれ)は部屋(へや)を飛(と)び出(だ)した。
He hung up the phone and, no sooner than that, dashed out of the room.
#action
電車(でんしゃ)のドアが開(ひら)くが早(はや)いか、人々(ひとびと)が雪崩(なだれ)のように乗(の)り込(こ)んだ。
No sooner did the train doors open than people surged in like an avalanche.
#crowd
そのニュースが流(なが)れるが早(はや)いか、市場(しじょう)は大混乱(だいこんらん)に陥(おちい)った。
The moment the news broke, the market plunged into chaos.
#news
話(はなし)を聞(き)くが早(はや)いか、彼(かれ)の顔色(かおいろ)が変(か)わった。
No sooner had he heard the story than his expression changed.
#emotion

After reading each sentence, ask what job が早い(はやい)か is doing: it connects two events where the second one happens almost uncontrollably right after the first.

Nuance of が早いか

The key nuance is instantaneous succession with a dramatic or involuntary feel. The focus is on how abruptly and inexorably the second action follows the first. It is not used for planned, habitual, or relaxed sequences.

A pattern may look like “as soon as,” but が早い(はやい)か always carries a literary punch.

⚠️
While it can be translated as “as soon as,” が早い(はやい)か is markedly formal and expressive. In everyday speech you would normally use するとすぐに or たとたんに unless you want to sound like a narrator.

が早いか vs や否や

Both が早い(はやい)か and や否(いな)や express rapid succession, but they differ in emotional weight.

が早い(はやい)か
no sooner than; as soon as ~
Immediacy with a sense of abruptness or surprise; often the second action is involuntary or uncontrollable.
家(いえ)に帰る(かえる)が早い(はやい)か、寝(ね)てしまった。
No sooner had he come home than he fell asleep.
vs
や否(いな)や
as soon as; the moment …
Also rapid succession, but more neutral; common in formal, factual narratives without emotional coloring.
家(いえ)に帰る(かえる)や否(いな)や、寝(ね)てしまった。
As soon as he came home, he fell asleep.

Is the sentence trying to dramatize the speed or inevitability? が早い(はやい)か heightens that effect; や否(いな)や delivers the information in a more detached manner.

Common mistakes with が早いか

❌ 食(た)べてが早(はや)いか…
✅ 食(た)べるが早(はや)いか…
Use the dictionary form, never the て-form.
❌ 毎朝(まいあさ)、起(お)きるが早(はや)いかジョギングをする。
✅ 毎朝(まいあさ)、起(お)きるとすぐにジョギングをする。
が早い(はやい)か describes a one-off, dramatic event, not a daily habit.
❌ 足(あし)が早(はや)いか(confusion with adjective 早い(はやい))
✅ 走(はし)り出(だ)すが早(はや)いか…
が早い(はやい)か is a fixed grammar pattern; do not treat it as the adjective “fast.”

Is が早いか on the JLPT?

N1
Yes — が早い(はやい)か is tested at JLPT N1, usually in the grammar and reading sections.

You should be able to:

  • Recognize it in literary and journalistic passages
  • Understand its nuance of immediate, unexpected succession
  • Distinguish it from similar constructions like や否(いな)や and たとたんに

Practice questions for が早いか

1 Write a sentence describing a sudden action in a story using が早い(はやい)か.
2 Create an example where the second action is uncontrollable or surprising.
3 Compare が早い(はやい)か and や否(いな)や in your own sentences. When would you choose one over the other?

Learning path for が早いか

1 Master the formation: always verb dictionary form + が早い(はやい)か.
2 Read examples in novels or news articles to absorb the dramatic, literary tone.
3 Practice rewriting everyday “as soon as” sentences (using するとすぐに) into が早い(はやい)か, and notice how the feeling of immediacy intensifies.
4 Compare with や否(いな)や: articulate why an author might pick が早い(はやい)か for dramatic effect.
  • がもならもだ — for expressing that something holds true even in extreme or contrasting situations
  • どうにもない — for conveying that there is nothing to be done or no way forward
  • がましい — for attaching a nuance of “smacks of” or “feels like an excuse”
  • ではすまない — for indicating that a situation won’t be resolved with a simple apology or action

Learn が早いか with Hane

If you want to review が早い(はやい)か together with the related patterns above, Hane helps you practice Japanese in short, focused sessions.

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FAQ about が早いか

What does が早いか (ga hayai ka) mean in Japanese?

が早いか (ga hayai ka) means “no sooner than; as soon as”. It is JLPT N1 grammar. Use が早いか when you want to express that an action takes place the very moment the previous action happens. It underscores that the second action is immediate and often involuntary, surprising, or inevitable.

How do you form が早いか (ga hayai ka)?

The pattern attaches to the verb in its plain dictionary form. No other conjugations are allowed.

What is the difference between が早いか and や否や?

が早いか: no sooner than; as soon as ~. や否や: as soon as; the moment ….

What is an example sentence with が早いか (ga hayai ka)?

家に帰るが早いか、冷蔵庫を開けてビールを飲んだ。 — No sooner had he come home than he opened the fridge and drank a beer.

Practice this with Hane
Drill が早いか until it’s automatic.

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