the day before yesterdaylast night (week,Sunday,weekend,month,winter,year,century 世纪)agothis morning/afternoon/eveningwhen引导的状语从句(动词过去时)just nowthe other day -- a few days ago.at the age of 10 (过去年龄段)in the old daysat that timein the+整十数年份+s(⋯世纪⋯年代)used to do... (过去做...)