もうそうたけじゃありませんでした
孟宗竹じゃありませんでした
mō sō takejārimasendeshita

Noun
Desu Copula

The polite, past negative form of もうそうちく

1. Was not a Mengzong bamboo.; Was not of the Mengzong variety.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana