摘  要

众所周知，经济全球化的快速发展趋势极快地加速了不同国家之间的经济贸易合作。中国作为最大的发展中国家，在采取改革开放政策后，中国物品开始远售海外，同时中国也从其他国家进口大量商品。因此，商务合同在国际贸易中扮演了重要的角色。研究如何使用情态动词来提高商务合同的准确性成为了必要的课题。在国际经济活动中，商务合同通过规定合同双方的权利和义务来确保交易的顺利完成。通过研究大量商务合同，很容易发现，情态动词一般被用来体现社会人际交流功能，在合同中体现为一种特殊的社会法律效力。本文旨在探索情态动词在商务合同中的使用频率以及使用原则。以语言行为学为基础，分析情态动词在商务合同中的语用功能。本文收集了商务合同样本，分析不同量值情态动词的使用频率。同时，本文将总结核心情态动词shall, must and may的使用原则，便于使商务合同更具体，维护合同双方的合法效益。

关键词：情态动词；商务合同；语言行为学

Abstract

It is known that the rapid development of economic globalization dramatically accelerates the economic and trade cooperation among different countries. Besides, China, as the largest developing country in the world, after adopting the reform and opening policy, Chinese goods have been sold far away and China has also imported numerous commercials from other countries, the business contract have attached great importance in international trade. Naturally, it is very necessary to study how to use modal words to make the business contracts more accurate. In the international economic activities, business contract can guarantee the international business to go on smoothly through stipulating parties’ rights and obligations. After studying plenty of business contracts, it is easy to find that modal words are used to express the socio-interpersonal function within the contract identified as specific legal force in society. This paper aims to explore the using frequency and the using principles of modal words in order to analyze the pragmatic functions of modal words in the business contracts on the basis of Speech Act Theory. This essay will collect some business contracts and analyze the using frequency of different degree modal verbs. Otherwise, the article will come to conclusion about how to use the core modal verbs, namely shall, must and may, which can make business contracts more specific and safeguard parties’ legal interests.

Key words: modal words, business contracts, Speech Act Theory