交替 こうたい せい労働 ろうどうじゃなかったです
ni kō taiseirōdōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 二交替制労働

1. Wasn't a two-shift work system.; Wasn't working two shifts.

Past/Perfective
Negative
Polite
Casual Register