軽便 けいべん鉄道 てつどうではありませんでした
keiben tetsudōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 軽便鉄道

1. Was not a light railway.; Was not a narrow-gauge railway.

Past/Perfective
Negative
Polite
Formal Register