一、這一組,只要記住“昨天”,其它聯(lián)想就很好記!
yesterday,
the day before yesterday
yesterday evening
last night
last+時(shí)間(last week , last month, last year)

二、這一組,只要記住“剛才”,其它聯(lián)想就很好記!
just now=a moment ago
“段時(shí)間+ago”表示“……前”比如“三天前”就是“three days ago”
三、這一組,是考試?？嫉?需要特別記憶!
this morning
when I was five years old,
in +過去時(shí)間詞(in 1998)
　Ago（two hours ago（一段時(shí)間+ago）, yesterday(句子開頭或結(jié)尾）, the day before yesterday, last week,last(year, night, month…), 具體時(shí)間（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.