週末 しゅうまつ起業 きぎょうではありませんでした
shūmatsu kigyōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 週末起業

1. Was not a weekend startup.; Was not starting a business on the weekend.

Past/Perfective
Negative
Polite
Formal Register