こばんさめじゃありませんでした
小判鮫じゃありませんでした
koban sameja arimasendeshita

Noun
Desu Copula

The polite, past negative form of こばんざめ

1. Was not a shark.; Was not a small judge shark.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana