あさかもじゃありませんでした
晨鴨じゃありませんでした
asa kamojārimasendeshita

Noun
Desu Copula

The polite, past negative form of しのりがも

1. Was not a morning duck.; Was not a duck in the morning.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana