ゆうへびでわありませんでした
游蛇ではありませんでした
yū hebidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of ゆうだ

1. Was not swimming.; Was not a swimming snake.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana