概念一般过去时表示过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为;过去主语所具备的能力和性格。基本结构:主语+动词过去式+其他;否定形式was/were+not;在行为动词前加didnt,同时还原行为动词;一般疑问句Did+主语+do+其他。时间状语Ago:(two hours ago(一段时间+ago), yesterday, the day before yesterday, last week (year, night, month), 具体时间, just now, at the age of , one day, long long ago, once upon a time(很久以前), and so on.(填时间如:two days)+ago动词变化规则规则变化: 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