SLGthe form of a verb used with the verb 'to have' inperfect tenses (for example 'eaten' in 'I have eaten'), or with the verb 'to be' in thepassive (for example 'changed' in 'it was changed'), or sometimes as an adjective (for example 'broken' in 'a broken leg')
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.
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