on the morning/afternoon of the day before yesterday

　　on the morning/afternoon of the day after tomorrow

　　on the evening of.the day before yesterday/ on the evening of the day after tomorrow

　　one morning three days ago/ one morning in three days

　　one night five days ago/one night in five days

　　at half past nine in the evening the day before yesterday/ at ten in the morning the day after tomorrow

　　en.谢谢您了，前面几个都是onthemorning.最后一句为什么用inthemorning?烦请讲解下。

　　具体在哪一天的上、下午或晚上需用on。

　　嗯。这个我明白啊，第一句前天上午/下午是具体的，on最后一句前天晚上，后天早上athalfpastnineintheeveningthedaybeforeyesterday也是具体的某一天了。觉得这里应该用ontheevening吧，另外，theday前，应该加上of吧，估计是不小心打掉了吧呵呵。