いわべんけいじゃなかったです
岩弁慶じゃなかったです
iwa benkeijanakattadesu

Noun
Desu Copula

The polite, past negative form of いわべんけい

1. Was not Iwagareno Kinkei.; Wasn't Iwagareno Kinkei.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana