YOU SAID:

I have a pet already but she is dead

INTO JAPANESE

私はすでにペットを持っていますが、彼女は死んでいます

BACK INTO ENGLISH

I already have a pet, but she is dead

INTO JAPANESE

私はすでにペットがいますが、彼女は死んでいます

BACK INTO ENGLISH

I already have a pet, but she is dead