GRAMMAR DETAIL
ので
Connects a preceding fact or state to a following action or judgment as a relatively objective reason.
Examples
雨が強いので今日の試合は中止になった。
Today's game was canceled because of the heavy rain.
Words used
今日は祝日なので、銀行は閉まっている。
The bank is closed because today is a holiday.
Words used
Study notes
1. Origins, structure, and basic meaning
- Structure: Attach
のでto a reason clause. Present affirmative nouns and na-adjectives connect withなので. - Basic usage:
今日は祝日なので、銀行は閉まっている。explains the bank's closure through the circumstance that it is a holiday.
2. Common pitfalls and similar expressions
- Connecting forms
- Unlike
祝日なのでand静かなので, an i-adjective connects as寒いので. A past nominal predicate takesのでafter its past form, as in祝日だったので.
- Unlike
- Explaining circumstances and making requests
のでcan introduce the circumstances behind a request.道に迷ったので、教えてくださいasks for help after explaining that the speaker is lost.

