Both forms are worked.
The simple past of "work" is "worked" and the past participle is also "worked".
The simple past of "blow" is "blew" and the past participle is "blown."
The past tense of break is broke, and the past participle is broken.
The simple past of "smile" is "smiled" and the past participle is also "smiled."
The past participle of worked is also worked.
The past participle (and simple past) is selected.
Both the simple past and the past participle are ground.
"Organized" is the simple past and past participle of "organize".
The simple past is "beat" whilst the past participle is "beaten".
The simple past of "blow" is "blew" and the past participle is "blown."
Has is the present indicative of to have for the third person singular.The simple past and the past participle of to have is had.
The simple past tense is flew. The past participle is flown.
The past participle (and simple past) is leached.
The past participle (and simple past) is adapted.
The past participle (and simple past) is liked.
The past participle (and simple past) is earned.
The past participle (and simple past) is dived.
The past participle (and simple past) is copied.