时间状语:
Ago(two hours ago(一段时间+ago),yesterday(句首或结尾),the day before yesterday,last week,last(year,night,month…),具体时间(如Jan.fourth),just now,at the age of,one day,long ago,once upon a time,and so on,this morning.long long ago(很久以前)the other day(前几天)。
1.直接加“ed”:work—— worked look——looked ,
2.以不发音的字母“e”结尾的单词,直接加“d”:live ——lived hope——hoped use——used,
3 以辅音字母+y结尾的,变y为i加“ed”:study—— studied carry——carried worry——worried,
4以元音字母+y结尾的,直接加“ed”:enjoy ——enjoyed play——played
5 以重读闭音节结尾的,双写最后的辅音字母+ed:stop—— stopped plan——planned
不规则变化的动词过去式:
have---had are---were get---got say---said feel---felt do/does---did is---was go---went
drink--drank eat--ate bring----brought think----thought buy----bought catch---- caught teach ---- taught sit----sat wear----wore cut----cut sweep----swept sleep——slept become----became
AAA.AAB.ABA.ABC式
句法结构肯定形式
主语+动词过去式+时间状语
例句:She often came to help us in those days.
否定形式
①was/were+not;②在行为动词前加didn't,同时动词为原型.
例句:I didn't know you are so busy.
一般疑问句
①Did+主语+do+其他? ②Was\Were+主语+表语?
例句:Did I do that?