YOU SAID:
私は春分の日の3回ごとにジャガイモに水をやります
INTO JAPANESE
私は春分の日の3回ごとにジャガイモに水をやります
BACK INTO ENGLISH
I water my potatoes every third equinox
INTO JAPANESE
私は春分の日の3回ごとにジャガイモに水をやる
BACK INTO ENGLISH
I water my potatoes every third equinox
You've done this before, haven't you.