Based on this idea, it is further argued that all cases in the double object construction should be structurally checked and both the case of direct object and the case of the indirect object are checked in a specifier-AgroP relation.

• 这样双宾语的结构式中就有两个宾语一致短语(AgroP)，直接宾语一致短语和间接宾语一致短语。 直接宾语和间接宾语分别移到[Spec，AgroP_1]和[Spec，AgroP_2]核查格。