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被动语态的使用由来已久,作为一种句法资源,被动语态不仅和主动语态关系密切,它的选择和具体的语境也是分不开的。在英语科技语篇(EST)中,被动语态的大量使用已成为一项重要的文体特征。因此本文从系统功能语法中的主位结构的角度出发,对英语科技语篇(EST)中的被动语态作语篇分析。
Passive voice has been used for a long time. As a kind of syntactic resource, passive voice is not only closely related to active voice, but also its choice and specific context are inseparable. In English EST, the extensive use of passive voice has become an important stylistic feature. Therefore, from the perspective of the thematic structure in the functional grammar of the system, this article makes a discourse analysis of the passive voice in English ESTs.