YOU SAID:
Cats existed in the past and right now.
INTO JAPANESE
昔も今も猫はいます。
BACK INTO ENGLISH
I have always had cats.
INTO JAPANESE
私はいつも猫を飼っていました。
BACK INTO ENGLISH
I always had cats.
INTO JAPANESE
私はいつも猫を飼っていました。
BACK INTO ENGLISH
I always had cats.
You've done this before, haven't you.