Grammar Info

N2 Lesson 5: 2/18

以来(いらい)Since, Henceforth

Cannot be used with recent events

Structure

Verb［て］+ 以来(いらい)
Noun + 以来(いらい)
それ(1) + 以来(いらい)

(1) これ、あれ

Details

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About 以来

When the noun, 以来(いらい) 'ever since' is paired with the て-form of verbs, or with nouns, it indicates that (B) is something that has continued non-stop since (A), or will continue non-stop from (A). This may be interpreted as 'since (A)', 'henceforth', or 'ever since (A)'.

The key point of 以来(いらい) is that it indicates an ongoing state. Due to this, it focuses on (B) being something that will continue non-stop until a change is caused externally.

Caution

Occasionally, 以来(いらい) may also be used to express a specific number of (B) that has occurred since (A). While this use is closer to 'since', it still just indicates that 'in total', (B) has occurred 'ever since (A)'. This will place a stronger emphasis on the amount of (B) being shocking in some way than a simpler structure like から.

  • 海外(かいがい)転職(てんしょく)して以来(いらい)、５年(ごねん)も日本(にほん)に帰(かえ)っていない。
    I have not been back to Japan for five years since I changed jobs overseas.
  • 去年(きょねん)この大学(だいがく)に入学(にゅうがく)して以来(いらい)、１回(いっかい)しか実家(じっか)に帰(かえ)っていない。
    I have only been back to my parents' house once since I entered university last year.

Examples

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    あの原稿(げんこう)を読(よ)んで以来(いらい)、すっかり彼(かれ)のファンになった。

    Since reading that manuscript, I have become a total fan of his.

    紅葉(こうよう)が始(はじ)まって以来(いらい)、店(みせ)は超(ちょう)満員(まんいん)だ。

    Since fall colors started, it has been teeming with people at the restaurant.

    卒業(そつぎょう)して以来(いらい)だな。この校舎(こうしゃ)を見(み)に来(き)たのは。

    It's been since graduation, hasn't it, coming to see this school.

    シフトを交替(こうたい)して以来(いらい)、彼(かれ)とは全然(ぜんぜん)会(あ)わなくなった。

    Since changing shifts, I haven't seen him at all.

    休業(きゅうぎょう)して以来(いらい)、再開(さいかい)の目処(めど)が立(た)っていない。

    Since closing my business, the prospect of reopening hasn't come up.

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