ツーバイフォー工法 こうほうではありませんでした
tsūbaifō kō hōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of ツーバイフォー工法

1. Was not two-by-four construction.; Was not the two-by-four method.

Past/Perfective
Negative
Polite
Formal Register