すごろくじゃありませんでした
双六じゃありませんでした
sugorokujārimasendeshita

Noun
Desu Copula

The polite, past negative form of すごろく

1. Was not Shogi.; Was not a board game (like Shogi).

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana