1.表示时间的'介词及介词短语
in，at，on，before，after，till，since，for, from…to…, until, by, in the middle of, at the beginning of，at the end of，at half past five，at night，in a week，in the morning，in class, at sunrise, in spring/summer/autumn/winter，on Sunday，on Saturday afternoon，on a winter evening，for a long time，for two months，after school，before lunch，at the time of，at the age of。
2.表示地点的介词及介词短语
in，at，into，to，on，beside，before，behind，above，under，outside, inside, up, from, far, from, near, across，off，down，among，past，between，out of，around，in the front of，in the middle of，at the back of，at the foot of， at home，at the gate，at the table，in the sky，on the ground，in a tree，in the south，in the sun，in the bed，on one’s way home，by the side of。
