Determine which sentence below uses an prepositional phrase.

The ocean waves rolled, and wind roared.
The boy on the chair read the magazine article.

The boy on the chair read the magazine article.

The sentence "The boy on the chair read the magazine article." uses a prepositional phrase.

The sentence "The boy on the chair read the magazine article" uses a prepositional phrase.

To identify the prepositional phrase, we need to look for a preposition followed by a noun or pronoun. In this case, the preposition is "on," and it is followed by the noun phrase "the chair." Therefore, "on the chair" is the prepositional phrase in this sentence.