さとうもろこしじゃありませんでした
砂糖蜀黍じゃありませんでした
sa tōmorokoshijārimasendeshita

Noun
Desu Copula

The polite, past negative form of さとうもろこし

1. Was not a sugar uncle.; Was not a sweet old man.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana