みつばでわありませんでした
三つ葉ではありませんでした
mitsubadewārimasendeshita

Noun
Desu Copula
no-Adjective

The polite, past negative form of みつば

1. Was not clover.; Was not a shamrock.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana