YOU SAID:
my brother only ever plays dog
INTO JAPANESE
私の兄は犬を演じるだけです
BACK INTO ENGLISH
My brother just plays a dog
INTO JAPANESE
兄は犬をしている
BACK INTO ENGLISH
My brother has a dog
INTO JAPANESE
兄は犬を飼っています
BACK INTO ENGLISH
My brother has a dog
You've done this before, haven't you.