Question

people have held athletic competitions since the time of the ancient greeks.
athletic competitions
people have
held athletic
have held

Explanation:

The question asks to identify the complete verb phrase in the sentence "People have held athletic competitions since the time of the ancient Greeks." A verb phrase includes the main verb and any auxiliary (helping) verbs. Here, "have" is the auxiliary verb and "held" is the main verb, forming the full present perfect verb phrase.

Answer:

have held