在英语中，定位介词是一类用于表示空间关系的介词。

1、 in: 在...内, 如: in the room, in the water, in the tree

2、 on: 在...上, 如: on the table, on the floor, on his head

3、 at: 在...处, 如: at the door, at the table, at the station

4、 with: 和...一起, 如: with my friends, with my book, with the cat

5、 by: 在...旁边, 如: by the window, by the river, by the road

6、 near: 在...附近, 如: near the school, near the park, near the beach

7、 behind: 在...后面, 如: behind the house, behind the tree, behind the car

8、 in front of: 在...前面, 如: in front of the house, in front of the tree, in front of the car

9、 above: 在...上方, 如: above the sky, above the tree, above the building

10、 below: 在...下方, 如: below the sea, below the tree, below the building

这些是一些常见的定位介词，但英语中有许多其他的定位介词，可以根据上下文和语境进行使用。