YOU SAID:

the man has a dead person next to them

INTO JAPANESE

男の隣には死者がいる

BACK INTO ENGLISH

There is a dead man next to a man

INTO JAPANESE

男の隣に死んだ男がいる

BACK INTO ENGLISH

There is a dead man next to the man

INTO JAPANESE

男の隣に死んだ男がいます

BACK INTO ENGLISH

There is a dead man next to the man