对介词ｗｉｔｈ用法及其分类的探讨皇甫锡才（包头医学院外语教研室，包头０１４０１０）介词（Ｐｒｅｐｏｓｉｔｉｏｎ）又称前置词，因它一般置于所引出的名词、短语或从句之前。它又是虚词，不能单独做句子成分，只能用在名词、代词或相当于名词的其它词类之前，以表示... Discussion of the prepositions with usage and their classification Huangfu Xicai (Department of Foreign Languages, Baotou Medical College, Baotou 014010) Preposition is also called preposition because it is usually placed before the quoted nouns, phrases or clauses. It is also a function word, can not be a separate sentence component, can only be used in nouns, pronouns or other parts of the equivalent of nouns before, to indicate ...