あかうそでわありませんでした
赤鷽ではありませんでした
akausodewārimasendeshita

Noun
Desu Copula

The polite, past negative form of あかうそ

1. Was not a red-billed leiothrix.; Was not a Japanese robin.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana