Bunpro Grammar: ～んです・のです [JLPT5]

～んです・のです

explanatory

explaining

emphasis

the fact is

⚠ ん is casual variant that evolved from の due to being easier to pronounce. Therefore some consider の to be "stiff" when used in casual (and even in polite) conversations.

Structure Legend

Structure

CasualPolite

Verb + ん⁽¹⁾ + だ
［い］Adjective + ん⁽¹⁾ + だ
［な］Adjective + な + ん⁽¹⁾ + だ
Noun + な + ん⁽¹⁾ + だ

⁽¹⁾ の

[When paired with the question particle か, んです・のです implies that the speaker is seeking further explanation from the listener]

[The casual んだ or のだ are also acceptable unless だ comes before the questions particle か at the end of a sentence]

[In casual speech だ・です can be dropped entirely (e.g. いいの?, あるの?, etc.)]

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いいんですか。

Reload

Slow

Normal

Is it good?

[asking for explanation・explaining・emphasis]

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～んです/～のです- Japanese Grammar

Japanization

When and how to use ん

Maggie Sensei