YOU SAID:
What would you do if i killed you mom?
INTO JAPANESE
もし私があなたのお母さんを殺したらどうしますか?
BACK INTO ENGLISH
What would you do if I killed your mother?
INTO JAPANESE
あなたの母親を殺したらどうしますか?
BACK INTO ENGLISH
What would you do if you killed your mother?
INTO JAPANESE
あなたが母親を殺したらどうしますか?
BACK INTO ENGLISH
What would you do if you killed your mother?
That didn't even make that much sense in English.