YOU SAID:

I would say I'm sorry if i though that it would change your mind.

INTO JAPANESE

私はそれがあなたの心を変えるだろうと私は申し訳ありませんと言うでしょう。

BACK INTO ENGLISH

I will say I'm sorry that it will change your mind.

INTO JAPANESE

気が変わってごめんなさい。

BACK INTO ENGLISH

I'm sorry to change my mind.

INTO JAPANESE

気が変わってごめんなさい。

BACK INTO ENGLISH

I'm sorry to change my mind.