What part of speech in the sentence - play a round golf?

Let's break down the sentence "play a round of golf" and identify the parts of speech:

* play: Verb (action word)

* a: Article (determiner)

* round: Noun (person, place, or thing)

* of: Preposition (shows relationship between "round" and "golf")

* golf: Noun (person, place, or thing)

So, the sentence "play a round of golf" is a simple sentence with a verb and its objects.