• 電車でんしゃに乗のるや否いなや、すぐに発車はっしゃした。
• Densha ni noru ya ina ya, sugu ni hassha shita.
• As soon as I got on the train, it departed.
  

• 雨あめが降ふるや否いなや、彼かれは傘かさを差さした。
• Ame ga furu ya ina ya, kare wa kasa o sashita.
• As soon as it started raining, he opened his umbrella.
  

• 試験しけんが終おわるや否いなや、彼かれは教室きょうしつを出でた。
• Shiken ga owaru ya ina ya, kare wa kyōshitsu o deta.
• As soon as the exam ended, he left the classroom.
  

Deep Dive

• Short Time Interval: 「〜や否や」indicates that the time between two events is extremely short, almost instantaneous.
• Often Used for Unexpected Situations: This pattern is frequently used to describe sudden or unexpected events.
• Formal Writing: 「〜や否や」is commonly used in written language and more formal contexts.

Real-Life Scenarios

• School Setting:
  • 学生がくせいが教室きょうしつに入はいるや否いなや、先生せんせいが質問しつもんを始はじめた。
  • Gakusei ga kyōshitsu ni hairu ya ina ya, sensei ga shitsumon o hajimeta.
  • As soon as the student entered the classroom, the teacher started asking questions.
    
• Workplace Setting:
  • 上司じょうしがオフィスおふぃすに戻もどるや否いなや、新あたらしいプロジェクトぷろじぇくとについての会議かいぎが始はじまった。
  • Jōshi ga ofisu ni modoru ya ina ya, atarashii purojekuto ni tsuite no kaigi ga hajimatta.
  • As soon as the boss returned to the office, the meeting about the new project began.
    
• Home Setting:
  • 母親ははおやが帰宅きたくするや否いなや、子供こどもたちは宿題しゅくだいを見みせた。
  • Hahaoya ga kitaku suru ya ina ya, kodomotachi wa shukudai o miseta.
  • As soon as the mother returned home, the children showed her their homework.
    

Summary

「〜や否や」is used to describe a close connection between two events, emphasizing their immediate sequence. It is commonly found in written language and formal contexts.

〜や否や - Indicates Immediate Occurrence of an Action

Explanation

「〜や否や」 is used to express that two actions happen almost simultaneously, emphasizing the immediacy and tight sequence of events.

Grammar Pattern

Basic Usage

• 机つくえを片付けかたづけて帰かえろうとすると、教長きょうちょうに会議室かいぎしつへ呼よばれた。
• Tsukue o katazukete kaerou to suru to, kyouchou ni kaigishitsu e yobareta.
• Just as I was tidying up my desk to leave, the principal called me to the meeting room.

Examples

• 彼かれはドアどあを開あけるや否や、大おおきな声こえで叫さけんだ。
• Kare wa doa o akeru ya ina ya, ookina koe de sakenda.
• As soon as he opened the door, he shouted loudly.
  

• 電車でんしゃに乗のるや否や、すぐに発車はっしゃした。
• Densha ni noru ya ina ya, sugu ni hassha shita.
• As soon as I got on the train, it departed.
  

• 雨あめが降ふるや否や、彼かれは傘かさを差さした。
• Ame ga furu ya ina ya, kare wa kasa o sashita.
• As soon as it started raining, he opened his umbrella.
  

• 試験しけんが終おわるや否や、彼かれは教室きょうしつを出でた。
• Shiken ga owaru ya ina ya, kare wa kyoushitsu o deta.
• As soon as the exam ended, he left the classroom.

Deep Dive

• Short Time Interval: 〜や否や indicates that the time interval between two events is extremely short, almost instantaneous.
• Often Used for Unexpected Situations: This pattern is frequently used to describe sudden or unexpected situations.
• Formal Writing: 〜や否や is commonly used in formal writing and more official contexts.

Real-Life Scenarios

• School Scenario:
  • 学生がくせいが教室きょうしつに入はいるや否や、先生せんせいが質問しつもんを始はじめた。
  • Gakusei ga kyoushitsu ni hairu ya ina ya, sensei ga shitsumon o hajimeta.
  • As soon as the student entered the classroom, the teacher started asking questions.
    
• Workplace Scenario:
  • 上司じょうしがオフィスおふぃすに戻もどるや否や、新あたらしいプロジェクトぷろじぇくとについての会議かいぎが始はじまった。
  • Joushi ga ofisu ni modoru ya ina ya, atarashii purojekuto ni tsuite no kaigi ga hajimatta.
  • As soon as the boss returned to the office, the meeting about the new project began.
    
• Home Scenario:
  • 母親ははおやが帰宅きたくするや否や、子供こどもたちは宿題しゅくだいを見みせた。
  • Hahaoya ga kitaku suru ya ina ya, kodomotachi wa shukudai o miseta.
  • As soon as the mother returned home, the children showed her their homework.

Summary

「〜や否や」 is used to describe a close connection between two events, emphasizing their immediate sequence. It is commonly found in formal writing.

「〜や否や」- Expressing Immediate Occurrence of Actions

Explanation

The structure 〜や否や is used to indicate that two actions happen almost simultaneously, emphasizing the immediacy and tight sequence of events.

Grammar Pattern

Basic Usage

• 机つくえを片付けかたづけて帰かえろうとすると、教長きょうちょうに会議室かいぎしつへ呼よばれた。
• Tsukue o katazukete kaerou to suru to, kyouchou ni kaigishitsu e yobareta.
• Just as I was tidying up my desk to leave, the principal called me to the meeting room.
  

Examples

• 彼かれはドアどあを開あけるや否や、大おおきな声こえで叫さけんだ。
• Kare wa doa o akeru ya ina ya, ookina koe de sakenda.
• As soon as he opened the door, he shouted loudly.
  

• 電車でんしゃに乗のるや否や、すぐに発車はっしゃした。
• Densha ni noru ya ina ya, sugu ni hassha shita.
• As soon as I got on the train, it departed.
  

• 雨あめが降ふるや否や、彼かれは傘かさを差さした。
• Ame ga furu ya ina ya, kare wa kasa o sashita.
• As soon as it started raining, he opened his umbrella.
  

• 試験しけんが終おわるや否や、彼かれは教室きょうしつを出でた。
• Shiken ga owaru ya ina ya, kare wa kyoushitsu o deta.
• As soon as the exam ended, he left the classroom.
  

Deep Dive

• Short Time Interval: 〜や否や emphasizes that the time between two events is extremely short, almost instantaneous.
• Often Used for Unexpected Situations: This structure is frequently used to describe sudden or unexpected events.
• Formal Writing: 〜や否や is commonly used in written language and formal contexts.

Real-Life Scenarios

• School Setting:
  • 学生がくせいが教室きょうしつに入はいるや否や、先生せんせいが質問しつもんを始はじめた。
  • Gakusei ga kyoushitsu ni hairu ya ina ya, sensei ga shitsumon o hajimeta.
  • As soon as the student entered the classroom, the teacher started asking questions.
    
• Workplace Setting:
  • 上司じょうしがオフィスおふぃすに戻もどるや否や、新あたらしいプロジェクトぷろじぇくとについての会議かいぎが始はじまった。
  • Joushi ga ofisu ni modoru ya ina ya, atarashii purojekuto ni tsuite no kaigi ga hajimatta.
  • As soon as the boss returned to the office, the meeting about the new project began.
    
• Home Setting:
  • 母親ははおやが帰宅きたくするや否や、子供こどもたちは宿題しゅくだいを見みせた。
  • Hahaoya ga kitaku suru ya ina ya, kodomotachi wa shukudai o miseta.
  • As soon as the mother came home, the children showed her their homework.
    

Summary

The structure 〜や否や is used to describe a close connection between two events, emphasizing their immediate sequence. It is commonly found in formal writing and is particularly useful for expressing sudden or unexpected occurrences.

〜や否や（やいなや） - Indicates Immediate Occurrence of an Action

Explanation

「〜や否や」 is used to express that one action happens almost immediately after another, emphasizing the speed and immediacy of the events.

Grammar Pattern

Basic Usage

• 机つくえを片付けかたづけて帰かえろうとすると、教長きょうちょうに会議室かいぎしつへ呼よばれた。
• Tsukue o katazukete kaerou to suru to, kyouchou ni kaigishitsu e yobareta.
• Just as I was tidying up my desk to leave, the principal called me to the meeting room.

Examples

• 彼かれはドアどあを開あけるや否や、大おおきな声こえで叫さけんだ。
• Kare wa doa o akeru ya ina ya, ookina koe de sakenda.
• As soon as he opened the door, he shouted loudly.