求动词的过去式和过去分词play,fix,succeed,announce,refuse,change,stop,chat,chop

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求动词的过去式和过去分词play,fix,succeed,announce,refuse,change,stop,chat,chop

分别是:played,played,fixed,fixed,succeeded,succeeded,announced,announced,refused,refused,changed,changed,stopped,stopped,chatted,chatted,chopped,chopped.