written
The past participle is had.
Done is the past participle.
No, "forgotten" is not a compound word; it is a past participle formed from the verb "forget" by adding the suffix "-ten."
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 word slipcovered is the past participle, past tense of the verb to slipcover; to fit a covering on an upholstered piece of furniture. The past participle of the verb is also an adjective, a compound adjective, for example, a slipcovered chair.The noun form is a slipcover, a compound noun.
No. "Tired and hungry Paolo returned well past midnight" is a complete sentence or independent clause of a compound or complex sentence. The word "returned" in this sentence could be the past participle of "return", but in this instance, "returned" is simply the past indicative tense.
The word "invited" is the past participle of invite.
The past participle of "swear" is "sworn."
The past participle of the word 'fall' is 'fallen'.
The simple past and past participle are both welcomed.