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.