JLPT N1
～ものなら
if it were possible to ~; if one could ~ (unlikely wish / warning)
Structure / Usage
Verb (意向形/可能形) + ものなら
Example Sentences
できるものなら、もう一度やり直したい。
If it were possible, I'd like to start over again.
遅刻しようものなら、監督に怒られるぞ。
If you dare be late, the coach will be furious.