七言 しちごん律詩 りっしじゃありませんでした
shichigonrisshijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 七言律詩

1. Was not a seven-character regulated poem.; Was not a seven-syllable lüshi.

Past/Perfective
Negative
Polite
Terminal Form