経営 けいえう がく修士 しゅうしじゃありませんでした
keieugakushū shija arimasendeshita

Noun
Desu Copula

The polite, past negative form of 経営学修士

1. Was not a business administration master's degree holder.; Was not a master of business administration.

Past/Perfective
Negative
Polite
Terminal Form