modality N1 uncommon casual
〜ても知らない — if you ~, I won't be responsible
〜ても知らない ・ てもしらない
Builds on て形
Meaning
- if you ~, I won't be responsible / don't blame me — a warning that the listener will bear the consequences of an ill-advised action
Key sentence
そんなに食べても知らないよ。お腹を壊すからね。
If you eat that much, don't say I didn't warn you — you'll get a stomachache.
Formation
| Attaches to | Form | Example |
|---|---|---|
| Verb て-form + も | V て + も知らない(よ) |
Examples
宿題をしないで遊んでばかりいても知らないよ。
If you keep playing instead of doing your homework, that's on you.
今行かないと、後で困っても知らないからね。
If you don't go now, don't come crying to me when you're in trouble later.
Easily confused with
Notes
- Casual, often to children or close friends; usually closes with よ／からね. Implies an unwanted result will follow.
See 〜ても知らない in real sentences
Jengo shows 〜ても知らない the way you actually meet it: inside real Japanese sentences, so it sticks instead of staying an abstract rule.
Study it in JengoSources Compiled from published Japanese grammar references.