単純 たんじゅん踏歩 とうほ変換 へんかんではありませんでした
tanjunto uohenkandewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 単純踏歩変換

1. Was not a simple step conversion.; Was not a simple pedestrian conversion.

Past/Perfective
Negative
Polite
Formal Register