YOU SAID:

this mailbox is mine and this sign

INTO JAPANESE

このメールボックスは、私とこのサイン

BACK INTO ENGLISH

This mailbox is this sign with me

INTO JAPANESE

このメールボックスは、私と一緒に、この看板

BACK INTO ENGLISH

This mailbox is this sign with me.

INTO JAPANESE

このメールボックスは、私と一緒に、この看板です。

BACK INTO ENGLISH

This mailbox is this sign with me.