YOU SAID:

Derek is at a party with all his friends

INTO JAPANESE

デレクは彼のすべての友人のパーティーで、します。

BACK INTO ENGLISH

Derek, all friends of his party.

INTO JAPANESE

デレクは、彼の党のすべての友人。

BACK INTO ENGLISH

Derek's, all friends of his party.

INTO JAPANESE

デレクの彼の党のすべての友人。

BACK INTO ENGLISH

All friends of Derek on his party.

INTO JAPANESE

デレクの彼の党のすべての友人。

BACK INTO ENGLISH

All friends of Derek on his party.