ちんげんなじゃなかったです
青梗菜じゃなかったです
chingennaja nakattadesu

Noun
Desu Copula

The polite, past negative form of チンゲンサイ

1. It wasn't water spinach.; It wasn't pak choi.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana