YOU SAID:

on my birthday, i will ask if someone killed my cat who is alive

INTO JAPANESE

私の誕生日に、誰かが生きている私の猫を殺したかどうか尋ねます

BACK INTO ENGLISH

On my birthday, I ask if someone killed my living cat

INTO JAPANESE

私の誕生日に、誰かが私の生きている猫を殺したかどうか尋ねる

BACK INTO ENGLISH

On my birthday, I ask if someone killed my living cat