Which word in this sentence is a participle?

The panting dog leaped over the table and into my lap.

A.

panting

B.

leaped

C.

lap

D.

over

The correct answer is A. panting. Participle is formed from verb forms but is used as adjective or noun. It is also used to form compound verbs. In the sentence above, the participle "panting" is originally from the verb form "pant" which functions as an adjective as used to describe the dog.