YOU SAID:
I would've died there with you that night
INTO JAPANESE
その夜あなたと一緒に死んだだろう
BACK INTO ENGLISH
Would have died with you that night
INTO JAPANESE
その夜あなたと一緒に死んでいただろう
BACK INTO ENGLISH
Would have died with you that night
That didn't even make that much sense in English.