| The lexicalization is very important language phenomenon, but the study is not enough. Based on CCL corpus, this thesis discusses and researches the lexicalization of"Xshi", which is a disyllables unit in Modern Chinese. We only select"keshi""danshi""zhishi"in Modern Chinese as example to research.There are four chapters in this thesis except the introduction. The first three chapters describes the lexicalization of"keshi""danshi"and"zhishi", including the forming time, the bleaching process and the relationship between"X"and"Xshi".Chapter 5 has a comparely analysis and summary on the process of the lexicalization of"Xshi"and the differences of them. And it also discusses the mechanisms of the bleaching, based on the first three chapters'descriptions and researches. |