Which word in the sentence is the participle?
The challenging crossword puzzle was created by Arthur Wayne in 1913.
a. puzzle
b. challenging
c. crossword
d. created
Since a participle takes the form: verb + -ing, the only word in this sentence which has such a form is B, 'challenging'. 'Puzzle' is a noun, 'crossword' is an adjective, 'created' is a verb.