“V+于+N”是汉语中比较古老的一种句式。传统分析认为,这个句式表示的是,介词“于”和介词宾语“N”组成一个介词结构,作动词的补语;现代汉语学界有一种观点认为,有一部分“于”已经和动词结合成词,介词宾语“N”是“V+于”的动词。这种学术观点也被引入到了对外汉语教材之中。为了帮助汉语学习者更好地掌握“V+于”结构,文章将其分为三类,即动介组合体、粘宾动词和词。 “V + in + N ” is an ancient Chinese sentence. According to the traditional analysis, this sentence indicates that the preposition “Yu ” and the prepositional object “N ” constitute a prepositional structure and complement the verb. There is a view in the modern Chinese academic community that there are some “ Already combined with the verb, the preposition object ”N “ is the verb of ”V + in “. This academic view has also been introduced to the teaching of Chinese as a foreign language. In order to help Chinese learners better understand the structure of ”V +", the article divides them into three categories, that is, combination of moving medium, adhesive verbs and words.