機械 きかい 歩兵 ふひょうじゃなかったです
kikaika fuhyōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 機械化歩兵

1. Was not mechanized infantry.; Wasn't a mechanized infantryman.

Past/Perfective
Negative
Polite
Casual Register
Military