りゅう じん包丁 ほうちょうではありませんでした
ryūjinhōchōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 柳刃包丁

1. Was not a yanagiba knife.; Was not a willow-blade knife.

Past/Perfective
Negative
Polite
Formal Register