Structure
Verb[て]+ 以来
Noun + 以来
それ(1) + 以来
(1) これ、あれ
Details
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Standard
About 以来
When the noun, 以来 '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 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 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.
- 海外転職して以来、5年も日本に帰っていない。I have not been back to Japan for five years since I changed jobs overseas.
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去年この大学に入学して以来、1回しか実家に帰っていない。I have only been back to my parents' house once since I entered university last year.
Synonyms
Examples
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あの原稿を読んで以来、すっかり彼のファンになった。
Since reading that manuscript, I have become a total fan of his.
紅葉が始まって以来、店は超満員だ。
Since fall colors started, it has been teeming with people at the restaurant.
卒業して以来だな。この校舎を見に来たのは。
It's been since graduation, hasn't it, coming to see this school.
シフトを交替して以来、彼とは全然会わなくなった。
Since changing shifts, I haven't seen him at all.
休業して以来、再開の目処が立っていない。
Since closing my business, the prospect of reopening hasn't come up.
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新完全マスター文法 N2
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Tobira
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