YOU SAID:
I ateball of the water fountains in the park yesterday
INTO JAPANESE
私は昨日公園の噴水でボールを食べました
BACK INTO ENGLISH
I ate a ball at the fountain in the park yesterday
INTO JAPANESE
私は昨日公園の噴水でボールを食べました
BACK INTO ENGLISH
I ate a ball at the fountain in the park yesterday
You've done this before, haven't you.