Answer:
next to the couch
Step-by-step explanation:
Some prepositions in English consist of two words:
next to, back to, inside of, instead of, up to, opposite of. . . In irder to-- that's the rare 3-word preposition.
There are about 20 to 30 that you might be able to find in a list.
Prepositions help locate objects or actions in time, space or purpose.