The infinitive is often used in poetry after a verb of motion where we should use the present participle.
The participle may also have the character of an adjective, the adverb either of an adjective or of a preposition.
This form of the past participle of the verb to light is now obsolete.
Ago is derived from the participle agone, while since comes from a preposition.
Flown is the past participle of to fly, and flowed of to flow.
This form for the past participle of the verb to prove is said to be a Scotticism.
It is sat or satya, sat being the participle of the verb as, to be.
Youth dreams in the future tense; age, in the past participle.
The rest as the present of bos, followed by the past participle.
The rest as the imperfect of bos, to be, with the present participle.