YOU SAID:
Sally went down by the seashore
INTO JAPANESE
サリーは海岸で下りました
BACK INTO ENGLISH
Sally descended on the coast
INTO JAPANESE
サリーは海岸に降りた
BACK INTO ENGLISH
Sally descended to the coast
INTO JAPANESE
サリーは海岸に降り
BACK INTO ENGLISH
Sally descends to the coast
INTO JAPANESE
サリーは海岸に降ります
BACK INTO ENGLISH
Sally goes down to the coast
INTO JAPANESE
サリーは海岸に降ります
BACK INTO ENGLISH
Sally goes down to the coast
That didn't even make that much sense in English.