共同 きょうどう絶交 ぜっこうではありませんでした
kyōdō zekkōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 共同絶交

1. Was not a mutual breaking off of relations.; Was not a mutual severing of ties.

Past/Perfective
Negative
Polite
Formal Register