かわずあんこうじゃありませんでした
蛙鮟鱇じゃありませんでした
kawazuankōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of かえるあんこう

1. Was not a frogfish.; Was not a toadfish.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana