しゅうまいじゃなかったです
焼売じゃなかったです
shūmaijanakattadesu

Noun
Desu Copula

The polite, past negative form of しゅうまい

1. It wasn't shumai.; It wasn't dim sum.

Past/Perfective
Negative
Polite
Casual Register
Food
Usually Written in Kana