Parallel Two-syllable Compound Words Ordered

Morpheme order is about the order of morpheme in compound, which is an important role of word order. While till now, a majority of researches about word order have ignored morpheme order. Even if some issue about morpheme order have just tried to go on from sound or semantic meaning or customs. In spite of their present achievements, that their research lack of system and integrity is undoubted.To prevent from their shortcomings, we base the research on four points - sound, semantic meaning, syntax and pragmatics. After the precise analysis of a plenty of copulative compound, we want to attain such goals that summing up the factors that restrain the morpheme order, analyzing the interconnection of various factors and ranging the priority order of them. The main contents include:1. Describing the morpheme order of bisyllabic copulative compound. This issue can be extended from sound, lexical meaning, syntax meaning, etc.2. Concluding the factors that limit the morpheme order. Except for sound, semantic meaning, syntax and pragmatics, customs also is one of the restraining factors.3. Analyzing the interconnection of various factors and ranging the priority order of them. The interconnection lies in several aspects such as harmony, collision and so on. The priority might be ranged thoroughly as follows: semantic meaning>pragmatics>sound>customs.