In grammar<span>, the </span><span>past participle</span><span> of a verb is a form that is usually the same as the past form and so </span>ends<span> in '-ed'.</span>
A past participle is when a word ends with "ed" and it is used in forming perfect and passive tenses and sometimes as an adjective. A participle <span>expresses completed action so a pasty participle is an action which is in the past.</span>