A prepositional phrase is any grouping of words that describes
where, how, when, something is done or which one has done an
action. "The ball was found under the bed." is an example of
a sentence with a prepositional phrase that describes where
A phrase that renames or describes another noun or noun phrase
is known as an appositive phrase.
Noun appositive: Mr. Johnson, my neighbor,
often gives me flowers.
Pronoun appositive: The winners, you and I,
have to pose for photos.