YOU SAID:
If I could walk one hundred miles I would 100 miles walk I.
INTO JAPANESE
私が100マイル歩くことができるなら、私は100マイル歩くだろう。
BACK INTO ENGLISH
If I could walk 100 miles, I would walk 100 miles.
INTO JAPANESE
私が100マイル歩くことができるなら、私は100マイル歩くだろう。
BACK INTO ENGLISH
If I could walk 100 miles, I would walk 100 miles.
You've done this before, haven't you.