選抜せんばつ高等こうとう学校がっこう野球やきゅう大会たいかいじゃなかった
sembatsukōtōgakkōya kyūtaikaijanakatta

Noun
Da Copula

The past negative form of 選抜高等学校野球大会

1. Was not the selected high school baseball tournament.; Wasn't the selected high school baseball tournament.

Past/Perfective
Negative