戦闘 せんとう前哨 ぜんしょうじゃありませんでした
sen tōzen shōja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 戦闘前哨

1. Was not a forward outpost.; Was not a pre-battle position.

Past/Perfective
Negative
Polite
Terminal Form