JLPT N2 grammar
〜以上: meaning and usage
Meaning
- Because of A, B (is an expected/natural result); Now that A, B
- More than (or including) A
How to form it
- verb (plain form)以上(は)
- noun/な-adjective (stem)である以上(は)
- number + counter以上
How it is used
Two uses: since or now that A, B naturally follows — a duty, resolve or judgement, as in 「約束した以上、守る」, close to 「〜からには」; and after a number, 'A or more', which includes A itself.
Examples
外国に来た以上、 その国の文化を勉強した方がよい。
Because you've come to a foreign country, it's best to study that country's culture.
引き受けた以上、途中でやめるわけにはいかない。
Now that I've taken it on, I can't quit halfway.
このバスでは、十二歳以上は大人料金になります。
On this bus, passengers aged 12 and over pay the adult fare.