(过去式 )
发布网友
发布时间：2022-05-25 07:08
共1个回答
热心网友
时间：2024-11-06 07:33
规则变化： 1.直接加ed：work-- worked , 2.以e结尾的单词，直接加d：live --lived 3 以辅音字母+y结尾的，变y为i加ed：study studied 4以元音字母+y结尾的，直接加ed：enjoy enjoyed 5 以重读闭音节结尾的，双写最后的辅音字母+ed： stop stopped 不规则变化： have/has -- had,eat--ate, see—saw，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--g,set--set,tell--told
基本结构
主语+动词过去式+其他 否定形式①was/were+not;②在行为动词前加didn't，同时还原行为动词 一般疑问句Did+主语+do+其他？ 例句She often came to help us in those days. I didn't know you were so busy. 特殊疑问
疑问句词+did+主语+动词原形+其他
