YOU SAID:
agh i can't believe you've done this.
INTO JAPANESE
agh 私はこれをやったなんて信じられない。
BACK INTO ENGLISH
AGH I've done which I can't believe.
INTO JAPANESE
AGH 私は信じていることはできませんをやった。
BACK INTO ENGLISH
AGH I can't believe that I did.
INTO JAPANESE
AGH 私は私がしたことを信じることができません。
BACK INTO ENGLISH
AGH I cannot believe that I did.
INTO JAPANESE
AGH 私は私がしたことを信じることができません。
BACK INTO ENGLISH
AGH I cannot believe that I did.
You love that! Don't you?