YOU SAID:
I have been grateful for the dogs I own.
INTO JAPANESE
私は自分が飼っている犬たちに感謝しています。
BACK INTO ENGLISH
I am grateful for the dogs I have.
INTO JAPANESE
私が飼っている犬たちに感謝しています。
BACK INTO ENGLISH
I am grateful for the dogs I have.
That didn't even make that much sense in English.