判断谓语动词后面的数量短语充当什么句子成分，必须分清这个数量短语中的量词的性质。本文从名量词、动量词、时量词、借用量词四个方面进行具体阐述，最后说明判断的主要依据。 Judging the quantitative phrase behind the predicate verb acts as a sentence component, we must distinguish the nature of the quantifier in the quantitative phrase. This article elaborates in detail from the following four aspects: name classifier, verbal classifier, classifier classifier and borrowed classifier. Finally, the main basis of judgment is explained.