おううなぎでわありませんでした
大鰻ではありませんでした
ō unagidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of おおうなぎ

1. Was not a large eel.; Was not an eel of great size.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana