うわばみそうじゃなかったです
蟒草じゃなかったです
uwabamisōjanakattadesu

Noun
Desu Copula

The polite, past negative form of うわばみそう

1. Wasn't snakegrass.; Wasn't python grass.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana