Final answer:
The phrase 'from New York' is a complete prepositional phrase. Prepositional phrases include a preposition ('from') and its object ('New York'). They can function adjectivally or adverbially to provide important details in a sentence.
Step-by-step explanation:
The phrase 'from New York' in the sentence 'the young man from New York attended the office party' is a complete prepositional phrase. A prepositional phrase typically includes a preposition and its object, and it may also have modifiers related to the object. In this case, 'from' serves as the preposition, and 'New York' is the object of the preposition, with no additional modifiers.
Prepositional phrases can function in various ways within a sentence, including acting as adjectives or adverbs. When it functions adverbially, a prepositional phrase will modify a verb, an adjective, or another adverb, indicating time, location, direction, or conditions. In our example, the prepositional phrase 'from New York' helps us understand more about the subject, specifically his origin, thereby functioning adjectivally.
It's essential to recognize prepositional phrases as they provide crucial details that can influence the sentence's overall meaning. Complete prepositional phrases are made up of the preposition, its object, and any modifiers of the object.