evening,月份、年份、季节或者指某一段时间内;on用在具体某一天,如:on Sunday morning;at一般用在某个假期期间(不是指具体的某一天),它还可以用在具体的时间,如:at Spring Festival, at five o’clock。
小学英语教材中出现的介词有:
in, on, from, of, by, about, for, under, behind, after, before, with, near, off, at, to, around, nearby等。