西 にし ばん蜀黍 もろこしではありませんでした
ni shiban morokoshidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 西蛮蜀黍

1. Was not a western barbarian.; Was not a Sichuan native.

Past/Perfective
Negative
Polite
Formal Register