学生 がくせい横綱 よこずなではありませんでした
gakuseiyo kozu nadewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 学生横綱

1. Was not a student sumo champion.; Was not the student yokozuna.

Past/Perfective
Negative
Polite
Formal Register
Sumo