This is one of those cases in which a common word has a past participle which is not formed by the simple addition of -ED and which often trip people up. “I should have went to the business meeting, but the game was tied in the ninth” should be “I should have gone. . . .” The same problem crops up with the two forms of the verb “to do.” Say “I should have done my taxes before the IRS called” rather than “I should have did. . . .”
See “drank/drunk.”
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