YOU SAID:

do i not go to the office

INTO JAPANESE

私はオフィスに行っていません。

BACK INTO ENGLISH

I do not in the Office.

INTO JAPANESE

私はオフィスではなく行います。

BACK INTO ENGLISH

Rather than in my Office.

INTO JAPANESE

私のオフィスではなく。

BACK INTO ENGLISH

But not in my Office.

INTO JAPANESE

私のオフィスではないです。

BACK INTO ENGLISH

It is not in my Office.

INTO JAPANESE

それは私のオフィスにあらず。

BACK INTO ENGLISH

It is not in my Office.