酸素 さんそ吸入 きゅうにゅうじゃありませんでした
sansokyūnyūjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 酸素吸入

1. Was not oxygen inhalation.; Was not receiving oxygen.

Past/Perfective
Negative
Polite
Terminal Form