方位介词常用介词 in、on、behind、next to、near、over、under等 1)(1). in在里面: It is in the desk. 它在课桌里。(2). on在上面: It is on the tree. 它在树上。(3). under在下面/正下方:It is under a basket.他在篮子下面。(4). over在正上方: There is a shelf over the table. 桌子上方有一个书架。(5). Between 在之间 It is between two books. 它在两本书之间。(6). near在附近:It is near the window. 它在窗户旁。(7). behind在之后: It is behind the tree. 它在树的后面。(8). next to/ beside在旁边:It is next to/beside an apple. 它挨着苹果。2)时间或地点介词in、on、at的用法区别:表示时间时, in