边缘介词(Marginal Prepositions)是指那些在语法功能上与介词相似的词。与一般介词不同的是,这类介词的词形较特别,除少数词以动词原形出现以外,大多数为分词形式。由于其独特的词形,加上一般语法书上又没有给出详尽的用法说明及例句,人们往往很难将这些词同介词联系在一起。事实上,作为一种较为特殊的介词,它们同样具有一般介词所具有的某些语法功能,在现代英语中的运用也并不少见,对于英语学习者来说,了解并掌握类似的边缘介词是很有必要的。 Marginal Prepositions are words that are grammatically similar to prepositions. The difference between general prepositions is that the prepositions of these prepositions have a special shape. Except for a few minor figures that appear in the original form of verbs, most of them are in the form of participle. Because of their unique morphology, coupled with the general grammar book and did not give detailed usage instructions and example sentences, it is often difficult to associate these words with prepositions. In fact, as a kind of special preposition, they also have some grammatical functions of common prepositions. It is not uncommon to find use in modern English. For English learners, to understand and grasp similar marginal prepositions is Very necessary.