さん ぎょう広告 こうこく らんではありませんでした
sangyōkōko kurandewārimasendeshita

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 three lines.

Past/Perfective
Negative
Polite
Formal Register