Question

七年级 单词的过去式

Answer 1

1一般情况下加-ed 如 look-looked
　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--dug,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

Answer 2

1一般情况下加-ed 如 look-looked
　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--dug,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

Answer 3

英语书最后一页P142（仁爱版）特殊的
be——was begin__begai blow-blew bring-brought burn-burnt buy-bought catch-caught come--came cost--cost ……………………

Answer 4

加ed