yes
It can be, used as a noun. For example: He sat on the bed - bed is the object of the preposition "on."
beside is the preposition
No, it is not a preposition.The word bed is a noun, or colloquially a verb.
This cloth is superior to that. This is right answer as we use preposition 'to' with superior, inferior and prefer
a preposition and object of preposition..i am not very sure though
The preposition is "behind." The phrase "behind the patient's bed" modifies the verb "stood."
Beside is the preposition. The phrase "beside his patient's bed" modifies the verb "stood."
The preposition in this sentence is "against," showing the relationship between the latter and the wall it is leaning on.
It is the "object." The noun, pronoun, or noun phrase is what is being connected to the modified term by the preposition, which tells HOW it is connected. The painting is on the wall. The painting is in the wall. (inside the wall) There is a painting of the wall. (showing the wall) He drew a painting for the wall. (to hang on the wall)
There is a ball under the bed.
The word "on" is the preposition in this sentence.
Beside.