表示地点：
on the farm, on the first floor, on the football field, on the (play)ground, on the horizon,
on the island, on the left/right,. on the market, on the page 12, on the railway line,
on the river, on the road, on the roof, on the sea, on the shore, on the side of,
on the team, on the track(在轨道上), on the water(在水面上), on top of, on(in) the wall,
at at a bookshop, at a distance(在远处), at that place, at the airport, at the back of,
at the base of, at the bottom of, at the centre (of)(在中心), at the corner, at the crossroads,
at the desk(在书桌旁), at the door, at the edge of, at the end of, at the foot of,
at the front, at the gate, at the head of, at the meeting, at the mine(在矿山),
at the party, at the place, at the pub, at the rear of, at the seaside, at the station,
at the stop, at the top of, at the window, at(in) the cinema, at(in) the library,
at(in) the office, at(in) the village, at(on) the weekend
表示状态：
state in in progress(在进行中), in a dilemma(处于进退两难的境地),
in a hurry, in a tight corner(处于困难中), in action(在行动中), in an emergency,
(处于紧急情况中), in anxiety, in astonishment, in bad mood(心情不好),
in bad temper(心情不好，生气), in bed, in blossom(bloom) (在开花 ),
in bonds(在拘留中), in chains(在囚禁中), in charge(看管), in church, in class(表示地点)