魏晋 ぎしん南北朝 なんぼくちょう時代 じだいじゃないです
gishinnambokuchōjidaijanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 魏晋南北朝時代

1. It's not the Wei, Jin, Southern and Northern Dynasties period.

Negative
Polite
Casual Register