自己 じこ抜糸 ばっしじゃありませんでした
jikobasshijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 自己抜糸

1. I did not remove the stitches myself.; It wasn't me who removed the stitches.

Past/Perfective
Negative
Polite
Terminal Form