Explanation：〜が早いか
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"〜するとすぐに / 〜すると同時に”
Xが早いかY：Y happens almost simultaneously with X.
fa-check-circleForm
V（dictionary form）+ や否や
fa-check-circleJLPT Level
N1
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① 話すときはあまり使いません。書くときによく使います。
② 過去のことについて言うときしか使えません。
① It is often used in formal expressions and written language.
② It can only be used to describe past events.
Sample sentenes
薬を飲むが早いか、急に眠くなってきた。
As soon as I took the medicine, I suddenly became sleepy.
息子は家に帰って来るが早いか、かばんを置いて家を出ていった。
As soon as my son came home, he put down his bag and went out again.
その男は警察官を見るが早いか、どこかへ向かって走り出した。
As soon as the man saw the police officer, he started running somewhere.
駅に到着するが早いか、電車が来た。
As soon as I arrived at the station, the train came.
デパートが開店するが早いか、並んでいたお客さんは急いでセール品の方に走り出した。
As soon as the department store opened, the customers who had been waiting in line rushed to the sale items.
Similar Sentence Patterns
