かもがやじゃなかったです
鴨茅じゃなかったです
kamogayajanakattadesu

Noun
Desu Copula

The polite, past negative form of かもがや

1. Wasn't a duckweed.; Wasn't duckweed.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana