Which words in the sentence form the participial phrase?

The boy grinning from ear to ear is my mischievous little brother.

A.
The boy

B.
grinning from ear to ear

C.
is my

D.
mischievous little brother

Question

Which words in the sentence form the participial phrase? 

The boy grinning from ear to ear is my mischievous little brother.
 
 A.
The boy
 
 B.
grinning from ear to ear
 
 C.
is my
 
 D.
mischievous little brother

anonymous · Answer

it would be B because from is a preposition

chycora · Answer

thanx

tjbrew · Answer

Participle phrases always function as adjectives, adding description to the sentence. that is why B. is correct...grinning from ear to ear modifies the noun boy, so the participial phrase is functioning as an adjective by modifying the noun "boy:  Hope this helps!!