くろさいじゃなかったです
黒犀じゃなかったです
kurosaijanakattadesu

Noun
Desu Copula

The polite, past negative form of くろさい

1. Wasn't a black rhinoceros.; Wasn't the black rhinoceros.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana