表音 ひょうおん しき仮名遣 かなずかいじゃなかったです
hyō onshi kikana zukaijanakattadesu

Noun
Desu Copula

The polite, past negative form of 表音式仮名遣い

1. Wasn't using the phonetic kana spelling.; Didn't use the phonetic kana spelling.

Past/Perfective
Negative
Polite
Casual Register