漂母 ひょうぼ かわ形成 けいせいじゃなかったです
hyō boka wakeiseijanakattadesu

Noun
Desu Copula

The polite, past negative form of 漂母皮形成

1. Wasn't a mother-of-pearl formation.; Didn't form mother-of-pearl.

Past/Perfective
Negative
Polite
Casual Register