にしきへびじゃありませんでした
錦蛇じゃありませんでした
nishikihebijārimasendeshita

Noun
Desu Copula

The polite, past negative form of にしきへび

1. Was not a grass snake.; Was not a harmless snake.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana