YOU SAID:

I wouldn't be surprised if I had to go to the bathroom in about 5 minutes.

INTO JAPANESE

約 5 分でトイレに行くことがあったら、私は驚かないでしょう。

BACK INTO ENGLISH

Would you ever go to the bathroom in five minutes, I wouldn't be surprised.

INTO JAPANESE

あなたは今まで 5 分でトイレに行く、私は驚かないでしょう。

BACK INTO ENGLISH

Would you ever go to the bathroom in five minutes, I wouldn't be surprised.