おうちょうざめじゃありませんでした
大蝶鮫じゃありませんでした
ō chōzamejārimasendeshita

Noun
Desu Copula

The polite, past negative form of おおちょうざめ

1. Was not a large butterfly shark.; Was not a large butterfly whale.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana