英语科研论文中综述语语料库调查及写作教学启示

科研论文中综述语介绍其他研究者的理论、实验、发现、观点，为作者的观点论证作有效铺垫。语料库调查显示，综述语常用的时态为一般现在时、一般过去时和现在完成时，主被动态的比值为 1． 91 综述语主语可分为四大范畴:参与者域、语篇域、假设域和现实域。本文探讨综述语时态与句子功能的相关性、语态与综述主语范畴的相关性，阐述综述语的评价语用特征及该调查对写作教学的启示。

A corpus-based study of reporting in academic research articles and its implications for writing

Reporting in an academic research article introduces other researchers theories，experiments，findings and viewpoints and thus paves the way for the author s discussion．The corpus investigation shows that the commonly used tenses in reporting are: the simple present，simple past and present perfect． The ratio of active voice to passive voice is 1． 91． The grammatical subjects in reporting can be divided into four categories: the participant domain，the discourse domain，the hypothesized domain and real world domain.The correlation between tense and sentence function，and the correlation between voice and grammatical subject are explored．The evaluation in reporting and its implications for its writing are suggested．