子孫 しそん構造 こうぞう たいじゃありませんでした
shisonkōzō taija arimasendeshita

Noun
Desu Copula

The polite, past negative form of 子孫構造体

1. It was not a descendant structure.; It wasn't a descendant structure.

Past/Perfective
Negative
Polite
Terminal Form
Computing