交替 こうたい せい労働 ろうどうじゃありませんでした
ni kō taiseirōdōjārimasendeshita

Noun
Desu Copula

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

1. Was not a two-shift system.; Was not working a two-shift system.

Past/Perfective
Negative
Polite
Terminal Form