本因坊ほんいんぼうせんじゃありませんでした
hon'in bōsenjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 本因坊戦

1. Was not a Honinbo match.; It wasn't a Honinbo match.

Past/Perfective
Negative
Polite
Terminal Form