place (someone or something) next to (someone or something else)
To set someone or something in a position that is immediately adjacent to someone or something else. You can place those boxes next to my desk, thanks. They placed me next to Jeff for the concert.
place someone or something next to someone or something
to put someone or something immediately adjacent to someone or something. Please don't place Donna next to Betty for the class photograph. They are wearing identical dresses. Please don't place the flowers next to me. I have hay fever.