"Cede" is a regular verb ending in the letter e. Therefore, its past participle is made by simply adding "d" to produced "ceded". The past participles of regular verbs that do not end in the letter e are made by adding "ed". (If the original verb ends in "y" preceded by a consonant, the "y" changed to "i" after the addition of ed.
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 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.
The simple past and past participle are both hopped.
The past participle of the word drag is "dragged."The past tense is also "dragged."
The past participle of the word "touch" is "touched". It is a regular formation.