文末表現N3
〜ではないか
isn't it...! / what a...! (exclamation)
Structure
句子（普通形）+ ではないか
Explanation
Expresses a strong exclamation or rhetorical question, "isn't it...!". Attaches to plain noun/verb/adjective forms.
Examples
この成績なら、合格できるではないか。
With grades like this, you can pass, can't you?
これはすばらしい発明ではないか。
Isn't this a wonderful invention!
Note
ではないか expresses exclamation or rhetorical questions; じゃないか is its casual form.