てながだこじゃありませんでした
手長蛸じゃありませんでした
tenagadakojārimasendeshita

Noun
Desu Copula

The polite, past negative form of てながだこ

1. Was not a long-arm octopus.; Was not an octopus with long arms.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana