The phrase may also contain words modifying the object. Next, you might see that their meanings suggest a relationship in position or location, in time, or in direction relative to some other part of the sentence. That is the adverb function. Zebras and camels trot around the zoo . Certain words always function only as prepositions.
Prepositional phrases conclude with an object, a noun or a pronoun.
The following phrases illustrate the job the preposition does in a place or position function. Notice the effect the preposition has on the object water . The entire phrase served in the sentence to tell where, in what location, or position Sam parked his car relative to the water. These phrases tell where, in which direction, Sam drove his car relative to the hill. These phrases tell when or at what time Sam drove his car relative to the storm.