発光 はっこう細菌 さいきんじゃありませんでした
hakkōsa ikinja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 発光細菌

1. Was not a bioluminescent bacterium.; Was not a light-emitting bacterium.

Past/Perfective
Negative
Polite
Terminal Form