一般过去时时间状语

yesterday
the day before yesterday
last week/month/year
just now
a moment ago
the year before last
the month befor last
the week before last
once upon a time
last Saturay……
long long ago
一、这一组，只要记住“昨天”，其它联想就很好记！

yesterday,

the day before yesterday

yesterday evening

last night

last+时间(last week , last month, last year)

二、这一组，只要记住“刚才”，其它联想就很好记！

just now=a moment ago

“段时间+ago”表示“……前”比如“三天前”就是“three days ago”

三、这一组，是考试常考的，需要特别记忆！

this morning

when I was five years old,

in +过去时间词(in 1998)

　Ago（two hours ago（一段时间+ago）, yesterday(句子开头或结尾）, 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(很久以前), and so on,this morning.long long ago