YOU SAID:

I am this cat but not this one

INTO JAPANESE

私はこの 1 つがこの猫

BACK INTO ENGLISH

I'm one of this cat

INTO JAPANESE

私はこの猫のいずれか

BACK INTO ENGLISH

I was one of this cat

INTO JAPANESE

私はこの猫のいずれか

BACK INTO ENGLISH

I was one of this cat