"On the floor". "On" is the preposition and "floor" is the object of the preposition.
The predicate in this sentence is across the floor. :)
The floor is a mess! The main floor plan is settled.
In the middle of a sentence, you don't capitalize second floor.
We need the floor leaders before we start.
my brother was running and bumped me down to the floor
the prepositional phrase in that sentence is: 'of the bedroom'
The modifier in the sentence is "lying in pieces on the floor," which describes the broken vase.
There was a denomination of dollars in the floor
No
People use the escalator to move from floor to floor.
The shop floor was filthy, for no one had swept it in weeks.