さん ぎょう広告 こうこく らんじゃありませんでした
sangyōkōko kuranja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 三行広告欄

1. Was not a three-line advertisement.; Was not an advertisement in the three-line section.

Past/Perfective
Negative
Polite
Terminal Form