へんてこじゃなかったです
変てこじゃなかったです
hentekojanakattadesu

Noun
Desu Copula
na-Adjective

The polite, past negative form of へんてこ

1. Wasn't strange.; Wasn't odd.; Wasn't unusual.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana