よこばいガラガラへびじゃありませんでした
横這いガラガラ蛇じゃありませんでした
yokobai garagara hebijārimasendeshita

Noun
Desu Copula

The polite, past negative form of よこばいガラガラへび

1. Was not slithering like a rattlesnake.; Wasn't crawling like a rattlesnake.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana