早熟 そうじゅくじゃありませんでした
sō jukujārimasendeshita

Noun
Desu Copula
na-Adjective
no-Adjective

The polite, past negative form of 早熟

1. Was not precocious.; Was not mature.; Was not early-ripening.

Past/Perfective
Negative
Polite
Terminal Form