昭和 しょうわ いち けたじゃありません
shōwa hitoketajārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 昭和一桁

1. It is not a single-digit Showa year.; It is not from the first nine years of the Showa era.

Negative
Polite
Terminal Form