めんだこじゃありませんでした
面蛸じゃありませんでした
mendakojārimasendeshita

Noun
Desu Copula

The polite, past negative form of めんだこ

1. It was not an octopus.; I was not an octopus.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana