亜鉛 あえん鉄板 てっぱんではありませんでした
aenteppandewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 亜鉛鉄板

1. Was not galvanized iron.; Was not a zinc-iron sheet.

Past/Perfective
Negative
Polite
Formal Register