西洋 せいよう箱柳 はこやなぎじゃありませんでした
seiyōhakoyanagijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 西洋箱柳

1. It was not a Western-style box willow.; It wasn't a Western box willow.

Past/Perfective
Negative
Polite
Terminal Form