This paper investigates the following issues related to the verb-directional structure "V-guo-lai/qu": 1. The origin and development of the "V-guo-lai/qu" structure; 2. The semantic development of guo from "going through" to the horizontal displacement between two points, and the role of this development in the semantic evolution of "guo-lai/qu" and "V-guo-lai/qu"; 3. The differences and similarities between "V-guo-lai/qu" and "V-jiang-lai/qu", and the relative growth and decline of these two forms.
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