補習 ほしゅう授業 じゅぎょう こうじゃないです
hoshūjugyō kōjanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 補習授業校

1. It's not a supplementary school.; I'm not attending a supplementary school.

Negative
Polite
Casual Register