あかつぶじゃなかったです
赤螺じゃなかったです
akatsubujanakattadesu

Noun
Desu Copula

The polite, past negative form of あかにし

1. Wasn't a red snail.; Wasn't red snail.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana