写作在大学英语中历来占有重要的位置,在CET4中也有着举足轻重的地位。应用语篇开展的有效手段提高写作,功能语法学派研究的主位述位结构理论和主位推进模式给我们提供了很好的理论指导。本文将利用Halliday主位述位理论对CET4范文进行分析,拟探讨一些有效的方法。 Writing has historically occupied an important position in college English and has also played a pivotal role in CET4. The effective means of the application of discourse development to improve writing, the theory of the functional grammar schools, the thematic theory of the theorem and the pattern of thematic progression provide us with good theoretical guidance. This article will use the Halliday thematic theory to analyze the CET4 model and propose some effective methods.