YOU SAID:
The floor and ceiling are mine
INTO JAPANESE
床と天井は私のもの
BACK INTO ENGLISH
Floors and ceilings are mine.
INTO JAPANESE
床と天井は私のものです。
BACK INTO ENGLISH
Floor and ceiling is mine.
INTO JAPANESE
床と天井は、私です。
BACK INTO ENGLISH
Floor and ceiling that is me.
INTO JAPANESE
床と天井は私。
BACK INTO ENGLISH
It's my floor and ceiling.
INTO JAPANESE
それは私の床と天井です。
BACK INTO ENGLISH
It is my floors and ceilings.
INTO JAPANESE
それは私の床と天井です。
BACK INTO ENGLISH
It is my floors and ceilings.
That didn't even make that much sense in English.