De’s Grammar Status And Related Language Word Class,Problem Along With Grammar Comparison Of It With "of "、"-’S"

This paper first briefly introduces some major documents that refers to the conflicting opinoins on the properties and functions of the word de, and gives some detailed analysis. The author points out:the word de has some postpositional properties, to some extent, which is another kind of delexicalization towards the direction of conjunctions, though still keeping some postpositional properties yet. This article mainly discusses de from the two perspectives, that of comparison of the two aspects of the essential attribute of de and that of the historically grammaticalization. Finally the article summarizes the the main idea by listing12argumentations.