Question

what function is the bolded word or phrase serving in the sentence? after running ten miles in the park, everett ross bought two milkshakes and a slushy to cool down.

Explanation:

The bolded phrase "running ten miles in the park" is a gerund phrase (a verb - ing form acting as a noun) that functions as the subject of the sentence. It tells what Everett did before buying the drinks, so it serves as the subject, introducing the action that led to the subsequent action of buying.

Answer:

The bolded phrase "running ten miles in the park" functions as the subject of the sentence.