けい自動 じどう しゃ ぜいではありませんでした
keijidōshaze idewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 軽自動車税

1. It was not a light automobile tax.; It wasn't a small vehicle tax.

Past/Perfective
Negative
Polite
Formal Register