请说出这些介词是表示时间、地点还是方式.拜托啦,很急啊

问题描述:

请说出这些介词是表示时间、地点还是方式.拜托啦,很急啊
1).about,before,after,in,on,at,between,for,from e. g. on Sunday;at 9 o’clock;for a week
2).under,near,across,by,up,down,to,between,in front of,behind,beside,over,above,in,on,at e. g. under the tree;across the river ;by the window
3).on,by,in e. g. on foot;by bus;in a car

表示时间的:about ,before,after,on Sunday ,at 9 o’clock ,for a week
表示地点的:in ,on,at,between,under,near,in front of,behind,beside,over,under the tree,across the river ,in a car up,down
表示方式的:by,on foot,