Tidied.
The past participle of "tidy" is "tidied."
The past past participle of "tidy" is "tidied".
The past tense of "tidy" is "tidied" and the past participle is "tidied" as well.
The past participle of the word "have" is "had."
The past participle of the word "do" is "done."
The past participle of the word "pick" is "picked".
The past participle of the word "finish" is "finished."
The past participle of the word "Find" is the word "Found."
The past participle of the word 'fall' is 'fallen'.
The past participle of the word "swore" is "sworn."
The word "invited" is the past participle of invite.
The past participle of the word "hop" is "hopped."