Research About The Difference Between Conjunctional Suffix “(?)” And “(?)”

As the international communication is developing faster, educating foreign language majored students is more and more important. This trend also demands the large quantity and high quality of foreign majored students. For Korean speaking, we must express what we want to express accurately, then we can say we mastered Korean. It is difficult for Chinese student to differentiate between different suffixes. The difference between the conjunction suffix "(?)","(?)"is discussed in this article,Optional conjuntional suffix is part of the Korean teaching. The usage of optional conjunctional suffix in grammer and how to teach it during practical teaching is discussed in this article. The optional conjunctional suffix "(?)","(?)"are commonly used in Korean text book and Chinese Korean grammer book and the reading material for senior students, it both describes the meaning for choice and also describes the optional conjunctional suffix with the same meaning. This article will focus on the usage for "(?)","(?)"This article will focus on the structure analysis, significance of characteristics and grammatical functional characteristics of this kind of optional conjunctioanal suffix. How these suffix is corresponding and how to use them correctly in practical Korean teaching is described, and detail distinguish information is provided in this article. Hope to provide some theoretical value for Korean teaching.For Korean people, even they don’t know how to distinguish it by grammatical usage, they can distinguish it by intuition. They don’t need this kind of training for distinguish. But for Chinese people, especially for those new learner who are not familiar with Korean, they will be confused if the distinguish information and method are not provided.In currently used Korean text book, lack the comprehensive analysis for optional conjunctional suffix and how to distinguish it among other optional conjunctional suffix. In the grammer text book, usually some simple information is provided, then apply it in the excercises and text book.This article is centered on the grammatical functional characteristics for this kind of optional conjunctional suffix. Describes how these suffix is corresponding and correct usage in practical Korean teaching, and provide the detail distinguish information.