The past tense is skipped.
The simple past and past participle are both skipped.
past participle skip
Skipped is the past tense of skip.
Skipped is the past tense and past participle of skip.
skip skipped will skip
The past tense is skipped.
skipped
The past simple of "have" is "had."
The simple past is had.
Past simple and simple past are both the same thing. They are both the past tense of a verb.
The simple past tense is climbed.
The simple past and past participle are both 'had'.