准情态动词have(got)to不同语义梯度下语义与英语句法特征研究 [2]
论文作者:www.51lunwen.org论文属性:硕士毕业论文 thesis登出时间:2017-09-18编辑:lgg点击率:6945
论文字数:38542论文编号:org201709121514214526语种:英语 English地区:中国价格:$ 66
关键词:英语毕业论文语义排歧属性特征语义梯度
摘要:本文是英语毕业论文,通过对语料库中模糊准模态动词不确定性意义的解释,也有利于机器翻译和语言教学。此外,在语义和句法特征词义消歧的贡献为其他研究者提供参考。
p;have (got) to, the gradience layers of quasi-modal verbs have (got) to from obligation to necessity will be generated. The classification of the sense gradience will be used to analyze the semantic and syntactic features through the generated APOSD. Moreover, the study of the quasi-modals is rare in the previous research, and it can provide a model for other quasi-modal verbs studies of the word sense disambiguation. Moreover, the contributions of the semantic and syntactic features to WSD can provide
Reference for other researchers. Also, the use of APOSD, FCA and fuzzy set theory can provide a new and scientific research method for natural language processing. Besides, it may also benefit the machine translation and language teaching practically through the construal of fuzzy quasi-modal verbs indeterminacy meanings in the corpus.
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Chapter 2 Literature Review
This chapter concludes the studies from both at home and abroad. The mainly literature review includes the studies on English modal verbs, studies of WSD, the research about FCA in linguistics, the studies about KDD and the fuzzy gradience studies. The last is the space for the present study.
2.1 Studies on English modal verbs
Modal verbs indicate the speaker`s feelings and emotions. In different context, the senses are also different. Therefore, the modal verbs have ambiguous meanings. Linguists have accomplished great achievements from kinds of perspectives in English modal verbs. Traditional linguists believe English modal verbs as modal auxiliaries, and they study the semantic and syntactic features of modal verbs. The study of English modal verbs can date back to two thousand years ago, in ancient Greece; the classic philosopher Aristotle discusses the notions of possibility, necessity, impossibility and also the relationship among them. Von Wright (1951) distributes the modality into four modes: alethic modes or truth modes; epistemic modes or knowing modes; deontic modes or obligation modes; extential modes or existence modes. Von Wright creates the logic terms in his work. Lyons (1977) refers two kinds of modality: necessity and possibility. Necessity is the traditional modal logic, while the possibility is believes as epistemic and deontic.
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