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.