YOU SAID:
no, i have not done this before, what makes you think so?
INTO JAPANESE
いいえ、私はこれまでこれを行ったことがありません、どうしてそう思うのですか？
BACK INTO ENGLISH
No, I've never done this before, why do you think so?
INTO JAPANESE
いいえ、私はこれまでこれを行ったことがありません、なぜあなたはそう思いますか？
BACK INTO ENGLISH
No, I've never done this before, why do you think so?
That didn't even make that much sense in English.
