保健 ほけん しつ登校 とうこうじゃなかったです
hoken shitsuto ukōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 保健室登校

1. Wasn't at the health room.; Didn't go to the health room.

Past/Perfective
Negative
Polite
Casual Register