重音渗漏原则下存现动词论元说之研究

存现动词的研究一直围绕着动词的非宾格性、论元的构成、there 的虚义、NP 赋格等问题，备受生成语法学家和其他学者的关注。存现动词是否具有非宾格形式产生了内外论元两种不同的假设，这两种假说彼此矛盾但其推论都有一定合理性，因此在学界关于存现动词论元假说一直没有形成定论。重音影响话语语义解释，从本质上讲，重音是话语焦点在语音上的表现形式；在重音分配原则中，内论元和外论元焦点投射理论与重音渗漏原则为焦点范域内词项与短语重读提供重要依据，通过重音渗漏原则，可静态分析话语中存现动词与 NP 的表层和深层结构，理清几种假说的前提与合理性。

Hypothesis of the Internal and External Argument Based on Percolation of English Accent

The important issues of existential verbs which focused on the unaccusative verbs,the formation of argument, the expletive ‘there’,the explanation of the Case assignment of the postverbal NP etc.have drawn the linguists’and scholars’ attention.Whether the predicate verb in the existential Construction is unaccusative in nature formed two different argument hypothesis,i.e.internal argument hypothesis and external argument hypothesis,which is contradictory in thematic role and relationship between the verb and the postverbal NP,but reasonable to some extent.No one come to conclusion definitely that two hypotheses are not true or one of them is true through further study.Accent,which is the phonetic symbol of focus of discourse,can affect the meaning of discourse.Meanwhile,some words and phrases in the sentence come to the focus and are stressed based on the principles of percolation of English accent,which refer to the principles of internal argument and external argument projection in the focus domains.This paper will try to analyze the deep and surface structure of existential verb and NP and provide the way to prove whether two hypotheses is reasonable and practical.