My cousin was the MVP on his high-school track team.

This verb, "was," is in the third person singular, simple past tense, and active voice.

He, his wife, my sister and our grandmother, all run every day.

This verb, "run," is in the third person plural, present tense, and active voice.

We could be awarded the prize for "fastest family in New York."

This verb, "awarded," is in the first person plural, present tense, and passive voice. This verb has two others helping it; "could" is a modal, and "be" is an auxiliary verb.