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A '''past [[participle]]''' is used to indicate the past or a completed action or time. it is formed by adding "-d" or "-ed", to the base form of [[regular verbs]], but can be formed in other ways for [[irregular verbs]].

A '''past [[participle]]''' is used to indicate the past or a completed action or time. it is formed by adding "-d" or "-ed", to the base form of [[regular verb|regular verbs]], but can be formed in other ways for [[irregular verb|irregular verbs]].

For example, in the sentence 'I have swallowed a button', ''swallowed'' is a past participle of the regular verb "swallow".

For example, in the sentence 'I have swallowed a button', ''swallowed'' is a past participle of the regular verb "swallow".