ひかり合成 ごうせい細菌 さいきんじゃなかったです
hikarigōsei saikinjanakattadesu

Noun
Desu Copula

The polite, past negative form of 光合成細菌

1. Was not a photosynthetic bacterium.; Wasn't a photosynthetic bacterium.

Past/Perfective
Negative
Polite
Casual Register