習慣 しゅうかん せい薬物 やくぶつではありませんでした
shūkan sei yakubutsudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 習慣性薬物

1. Was not a habitual drug.; Was not a drug taken habitually.

Past/Perfective
Negative
Polite
Formal Register