When a classifier occurs with a numeral and an event-denoting expression, it is used as a unit to count events. The classifier is called a verbal classifier if the event-denoting expression is verbal, although the classifier itself is not verbal. This paper argues that a numeral and a verbal classifier have a spec-head relation, and the verbal expression is the complement. The proposal explains a number of syntactic generalizations of verbal classifiers in Mandarin Chinese. Like a frequentative adverb such as twice, a verbal classifier expression is either event-internal or event-external. The two types of classifiers have different possible positions in the language. The position contrasts are explained by different heights of the projection headed by a classifier. Theoretically, on the one hand, this research unifies the syntax of nominal and verbal numeral classifiers; and on the other hand, it explores the syntactic distinctions between event-internal and event-external verbal classifiers.

中文翻译：

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事件内部和事件外部动词分类器的语法

当一个分类器与一个数字和一个表示事件的表达式一起出现时，它被用作计数事件的单位。如果表示事件的表达式是口头的，则分类器称为口头分类器，尽管分类器本身不是口头的。本文认为数词与动词量词具有spec-head关系，动词表达是补语。该提案解释了普通话中动词分类器的一些句法概括。与诸如两次之类的频繁副词一样，动词分类词表达式是事件内部或事件外部。这两种分类器在语言中的可能位置不同。位置对比由分类器领导的投影的不同高度来解释。理论上，一方面，这项研究统一了名词和动词数字分类词的句法；另一方面，它探讨了事件内部和事件外部口头分类器之间的句法区别。