YOU SAID:

cats are like the bast thing ever

INTO JAPANESE

猫は今までにないもののようです

BACK INTO ENGLISH

Cats are like never before

INTO JAPANESE

猫は今までにない

BACK INTO ENGLISH

Cats never existed

INTO JAPANESE

猫は存在しなかった

BACK INTO ENGLISH

There was no cat

INTO JAPANESE

猫はいませんでした

BACK INTO ENGLISH

There was no cat