英语中哪些动词变过去分词结尾加ed是要双写的?答:draw—drew,grow—grew,know—knew,throw—threw(动词show除外,show—showed) 8.动词原形中的eak改为oke,变成过去式。如: break—broke,speak—spoke 9.动词原形中的ell改为old,变成过去式。如: sell—sold,tell—told 10.以ought和aught结尾,且读音是〔 :t〕的过去式。如: bring—brought,buy—bought,think...