A - Construction

Certain past participles may be used as adjectives.

•		The past participle of regular verbs is formed
	by adding -ed or -d to the infinitive.

	Example: enjoyed (to enjoy)		created (to create)
						designed (to design)	liked (to like)

•		The construction of the past participles of
	irregular verbs does not have a definite rule.
	
	Example:	come (to come) 		made (to make)
						taken (to take)			gone (to go)