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e to block a potential synonymous word, therefore it must be very frequent. This point is proved by the linguists Rainer, 'The higher the frequency, and the higher the blocking force of a word with respect to a synonymous derivative' (Plag, 1999, p.52). Thus, special and complex word could play an effect on blocking if it is stored frequently in the mental lexicon. In some cases, the blocking of a newly formed words may not be affected if the stored synonymous word un-activated. Activation of stored words is related to the frequency. This phenomenon has been proved especially in the language using of child. The decisive role of frequency and storage in token-blocking may explain the doublets of synonymous. According to these above analysis, token blocking is not a preset method to avoid unexpected synonymy, but the result of word frequency and storage.

As a matter of fact, it is hard to determine how far the constraints influence the morphological process. The function of the constraint is not to predict the actual numbers, but the potential and relative numbers. The constraints we talked above are the ones to 'limit the potential set' (Bauer, 2001, p.142) of prefix-base combinations. 'The main task for future research in type blocking will be trying to find out to what extent it is predictable which one of two word-formation rules with rival systematically restricted domains will supersede the other'(1998, p.179). Although the constraints play an important role on determines the domain of the relative productivity, it depends. Constraints cannot 'tell us everything about the profitability of the morphological process' (Plag, 1999, p.143).

Commonly speaking, this chapter analyzed the data results from the prefix. From the above discussion we can see the most productive prefix are pre, follows fore and ante last. In the next part, I will conclude the above results and the limitations of this thesis. Then give implications about the upcoming study.

CHAPTER FIVE CONCLUSION

In this chapter, I will summarize the major findings of the present thesis. Pedagogical and practical implications will be suggested. It will deal with the limitations of this paper and make suggestions for the further study.

5.1 Major findings of the study

The purpose of this study is to test the morphological productivity of three prefixes, pre, ante, and fore with the software of SPSS. The corpuses used in this paper are BNC and OED. After the calculating of the productivity through Bayyen's hapax-based model, the results can be summarized as follows:

The orders of the past productivity of the three prefixes are:

Ppre>Pfore>Pante

This is slightly different from our expectations, that productivity of fore is larger than ante.

The potential productivity of the three prefixes is listed as follows:

Ppre>Pfore>Pante

Among these three prefixes, the prefix pre is the most productive one. Prefix fore is in the middle position while the ante is last. The underlyi本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。