YOU SAID:
This place isn’t supposed to be empty
INTO JAPANESE
この場所は空ではないはずだ
BACK INTO ENGLISH
This place shouldn't be empty.
INTO JAPANESE
この場所は空であってはなりません。
BACK INTO ENGLISH
This place must not be empty.
INTO JAPANESE
この場所は空にしないでください。
BACK INTO ENGLISH
This place should not be emptied.
INTO JAPANESE
この場所は空にしないでください。
BACK INTO ENGLISH
This place should not be emptied.
That didn't even make that much sense in English.