YOU SAID:
terrible things happen
INTO JAPANESE
ひどいことが起こる
BACK INTO ENGLISH
Terrible things will happen
INTO JAPANESE
ひどいことが起こるでしょう
BACK INTO ENGLISH
A terrible thing will happen
INTO JAPANESE
ひどいことが起こるでしょう
BACK INTO ENGLISH
A terrible thing will happen
That didn't even make that much sense in English.