YOU SAID:

I haven't been outside in two days.

INTO JAPANESE

私は2日間で外にされていません。

BACK INTO ENGLISH

I have not been out in two days.

INTO JAPANESE

私は2日間で実施されていません。

BACK INTO ENGLISH

I have not been carried out in two days.

INTO JAPANESE

私は2日間で行われていません。

BACK INTO ENGLISH

I have not done in two days.

INTO JAPANESE

私は2日間で行っていません。

BACK INTO ENGLISH

I have not done in two days.