YOU SAID:

I wish I didn't feed the cat oreos

INTO JAPANESE

猫のオレオに餌をやらなかったらいいのに

BACK INTO ENGLISH

I wish I hadn't fed the cat Oreo

INTO JAPANESE

猫のオレオに餌をやらなかったらよかったのに

BACK INTO ENGLISH

I wish I hadn't fed the cat Oreo