YOU SAID:
You and I wouldn't even know each other if rats hadn't started swimming
INTO JAPANESE
ネズミが泳ぎ始めなかったら、あなたと私はお互いを知りませんでした
BACK INTO ENGLISH
If the mouse hadn't started swimming, you and I wouldn't have known each other.
INTO JAPANESE
もしねずみが泳ぎ始めていなかったら、あなたと私はお互いを知らなかったでしょう。
BACK INTO ENGLISH
If the mouse hadn't started swimming, you and I wouldn't have known each other.
You've done this before, haven't you.