YOU SAID:
you will die in seven days
INTO JAPANESE
あなたは7日間で死ぬでしょう
BACK INTO ENGLISH
Will you die in 7 days
INTO JAPANESE
7 日間で死にます
BACK INTO ENGLISH
I will die in 7 days
INTO JAPANESE
私は7日間で死ぬだろう
BACK INTO ENGLISH
I will die in 7 days
That didn't even make that much sense in English.