YOU SAID:

what have i done i canot belive i just did that

INTO JAPANESE

私は何をしましたか？私は信じられません。私はそれをしたばかりです

BACK INTO ENGLISH

What did I do? I can't believe it. I just did that.

INTO JAPANESE

私は何をしたの？信じられない私はそれをしただけです。

BACK INTO ENGLISH

What did I do? I can't believe I just did it.

INTO JAPANESE

私は何をしたの？私がやったなんて信じられない

BACK INTO ENGLISH

What did I do? I can't believe I did this.

INTO JAPANESE

私は何をしたの？こんなことをしたなんて信じられない

BACK INTO ENGLISH

What did I do? I can't believe I did this.