In the sentences above, the expressions having delivered, having finished, and having found partake of the nature of the verb, as each expresses action, without making an assertion, and each has a noun as its object.
Having delivered, in the first sentence, is descriptive of he, and therefore has the force of an adjective.
Each of the expressions having finished and having found, in the second and third sentences, has the force of the verb and of the adjective. We see, therefore, that they are participles.
We notice that the time when he left, the time when Henry was ready for play, and the time when the child was again happy follow immediately upon the delivery of the message, upon the finishing of the work, and upon the finding of the mother.
These participles express an action that is just finished. They are therefore perfect participles.
A perfect participle is a participle that expresses an action or state as just finished.
Point out the different kinds of participles in the follow-ing sentences, and tell what word each modifies