编辑1. yesterday (morning,afternoon,evening)2. the day before yesterday3. last night (week,Sunday,weekend,month,winter,year,century 世纪)4. ago5.this morning/afternoon/evening6.when引导的状语从句(动词过去时)7.just now8.the other day -- a few days ago.9. at the age of 10 (过去年龄段)10. in the old days11. at that time12. at that moment