生物 せいぶつ遺伝 いでん がくじゃありませんでした
biseibutsuidenga kuja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 微生物遺伝学

1. Was not microbiology genetics.; Was not a microbiology genetics student.

Past/Perfective
Negative
Polite
Terminal Form