Question

2/3
other great athletes may have trained for years for a specific track event.
may have
may have trained for
may have trained
athletes may have

Explanation:

To identify the complete verb phrase, we look for the modal verb, auxiliary verb, main verb, and any necessary components. The full verb phrase here includes the modal "may", auxiliary "have", past participle "trained" (the main action verb). The prepositional phrase "for years" is not part of the core verb phrase.

Answer:

may have trained