まつよいそうじゃありませんでした
待宵草じゃありませんでした
matsuyoisōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of まつよいぐさ

1. Was not waiting grass.; Was not a night-waiting plant.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana