窓外 そうがい放出 ほうしゅつじゃありませんでした
sōgaihōshutsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 窓外放出

1. Was not released outside the window.; Was not thrown out the window.

Past/Perfective
Negative
Polite
Terminal Form