YOU SAID:

when i was just a little girl, i asked my mother what will I be?

INTO JAPANESE

私が小さな女の子だったとき、私は私の母に私が何になるか尋ねました。

BACK INTO ENGLISH

When I was a little girl, I asked my mother what I would do.

INTO JAPANESE

私が小さな女の子だったとき、私は母に私に何をするか尋ねました。

BACK INTO ENGLISH

When I was a little girl, I asked my mother what to do.

INTO JAPANESE

私が小さな女の子だったとき、私は母に何をすべきか尋ねました。

BACK INTO ENGLISH

When I was a little girl, I asked my mother what to do.