実現 じつげん可能 かのう せいじゃありませんでした
jitsugenkano useijārimasendeshita

Noun
Desu Copula
no-Adjective

The polite, past negative form of 実現可能性

1. It wasn't feasible.; It wasn't possible.; It wasn't realizable.

Past/Perfective
Negative
Polite
Terminal Form