YOU SAID:
can i open my present today
INTO JAPANESE
今日、プレゼントを開けてもいいですか
BACK INTO ENGLISH
May I open your present today?
INTO JAPANESE
今日、あなたのプレゼントを開けてもいいですか?
BACK INTO ENGLISH
May I open your present today?
That didn't even make that much sense in English.