YOU SAID:
I am not buying your dog a hamburger
INTO JAPANESE
私はあなたの犬ハンバーガーを買っていない
BACK INTO ENGLISH
I have not bought your dog hamburger
INTO JAPANESE
私はあなたの犬のハンバーガーを買っていない
BACK INTO ENGLISH
I have not bought your dog's hamburger
INTO JAPANESE
私はあなたの犬のハンバーガーを買っていない
BACK INTO ENGLISH
I have not bought your dog's hamburger
You've done this before, haven't you.