‘X zài Y qiánbian’ (X is in front of Y) (e.g., Qiú zài zhuōzi qiánbian) (The ball is in front of the table.): The compound position noun ‘Y qiánbian’ refers tothe front or the domain/space projected outward from the front of the reference object. ‘X zài Y qiánbian’ indicates either that the located object is on or has contact with the front, or occupies a position in the space projected outward from the front of the reference object. In the latter situation, the located object has a relation of anteriority to the reference object.
 Loar, J. K. (2011). Chinese syntactic grammar: functional and conceptual principles. New York: Peter Lang.