送信 そうしん がわSS えすえす利用 りよう しゃじゃなかったです
sō shingawa esue suri yōshajanakattadesu

Noun
Desu Copula

The polite, past negative form of 送信側SS利用者

1. Was not the sending-side SS user.; Wasn't a sending-side SS user.

Past/Perfective
Negative
Polite
Casual Register
Computing