七年级 单词的过去式答:am/is—was,are--were, go—went, do--did,take--took,run--ran,lend--lent,sleep--slept,get—got, meet—met, bring—brought, buy—bought, think—thought, say—said, give—gave, put—put,write--wrote,swim--swam,dig--dug,set--set,tell--told 基本结构 主语+动词过去式+其他...