"Compose" is a regular verb; therefore its past participle is "composed".
Composed is the past participle of compose.
Composed is the past participle of compose.
Composed.
Composed is the preterite and the past participle of the verb compose; and it is an adjective.
The past participle is had.
Done is the past participle.
The past participle of the word "Find" is the word "Found."
The past participle of the word "pick" is "picked".
The past participle of the word "finish" is "finished."
The past participle of "swear" is "sworn."
The past participle of the word 'fall' is 'fallen'.
The word "invited" is the past participle of invite.