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。

　　表示时间的介词及介词短语?

　　in, at, on, before，after，till，since，for, fromto, 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，since liberation，before lunch，at the time of，at the age of。

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