The past participle of "skip" is "skipped."
The past tense of "skip" is "skipped" and the past participle is also "skipped."
The simple past and past participle are both skipped.
The past tense is skipped.
The present participle is skipping.
The past participle of "am not" is "have not been."
The past participle of "do" is "done." The past participle of "have" is "had."
The past participle of the word "have" is "had."
The past tense and the past participle is "answered".
The past tense of "have" is "had," and the past participle is also "had."
The past and past participle for "buy" is "bought."
"Sold" does not have any past participle; it is the past participle of "sell".