ほうりこみじゃありませんでした
放り込みじゃありませんでした
hōrikomija arimasendeshita

Noun
Desu Copula

The polite, past negative form of ほうりこみ

1. Was not thrown in.; Was not casually placed.; Was not simply left.

Past/Perfective
Negative
Polite
Terminal Form
Go
Usually Written in Kana