YOU SAID:
Please help my father has fallen in the river!
INTO JAPANESE
父が川に落ちたのを手伝ってください!
BACK INTO ENGLISH
Help my dad fall into the river!
INTO JAPANESE
私の父が川に落ちるのを手伝ってください!
BACK INTO ENGLISH
Help my dad fall into the river!
That didn't even make that much sense in English.