“宾补争动”表现为宾语能否位于动词之后与宾语和补语哪个更靠近动词这两种情况;“宾补争动”的实质是焦点的竞争,依据汉语“焦点居尾”原则,谁能成为焦点,谁的位置就居后。这从侧面反映出汉语句法结构“形式—功能对应”的本质特征。 “Guest complement fight ” performance as an object can be located behind the verb and the object and complement which is closer to the verb in both cases; “Bingxuan fight ” in essence is the focus of competition, according to Chinese Tail “principle, who can become the focus, who position after living. This reflects from the side of the Chinese syntactic structure ”form - function correspondence " essential characteristic.