In the sentence "Useful for music practice a metronome sets a steady tempo that helps the musicians' rhythm stay consistent," there are no linking verbs present. However, we can identify the predicate noun and predicate adjective based on a sentence structure.
- Predicate Adjective: "useful" (describes what kind of metronome it is).
- Predicate Noun: "tempo" (describes what is being set by the metronome).
However, if we focus on a more clear-cut example, linking verbs typically connect the subject to a subject complement (which can be a noun or an adjective). In this case:
- Linking Verb: There isn’t a conventional linking verb in the given sentence (like "is," "are," "seem," etc.).
- Predicate Noun or Predicate Adjective: "useful" could be seen as a predicate adjective if the sentence were structured differently (e.g., "The metronome is useful for music practice").
Thus, you could consider "useful" as the descriptive element of the metronome, but it does not function as a true predicate in this context as there’s no linking verb connecting it directly to a subject.