ちから平行 へいこう四辺 しへん けいじゃなかったです
chikarano heikō shi henkeijanakattadesu

Noun
Desu Copula

The polite, past negative form of 力の平行四辺形

1. It wasn't a parallelogram of force.

Past/Perfective
Negative
Polite
Casual Register
Mathematics