Question

will medal and fan
Which words in the sentence form the participial phrase?

Rounding the corner, Harold ran into a large man with a thick mustache and beard.

Answer 1

A participle is a form of a verb that is used in a sentence to modify a noun, noun phrase, verb or verb phrase, and thus plays a role similar to that of an adjective or adverb (some languages have distinct forms for adverbial participles and adjectival participles). (Wikipedia)
therefore based on that what do you think the answer is?

Answer 2

what is your guess?

Answer 3

@briggs ?