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The advancement of AI technology, especially in language processing systems like ChatGPT, creates opportunities for students to elevate their writing skills. This study aimed to explore the relationship between the usability of ChatGPT and the English essay writing proficiency of the BEED students. The study utilized a descriptive correlational design to investigate the relationship. A sample of 58 participants was selected to write an essay with the assistance of ChatGPT. Researchers developed and employed a rubric to assess the quality and ethical use of ChatGPT. Then, the participants answered the USE questionnaire to measure their perceived usability of ChatGPT. The result revealed that BEED students perceived ChatGPT as beneficial in enhancing their essays and found the system easy to use, and learn, and provided satisfying results. The participants also expressed a strong sense of contentment regarding using ChatGPT. The essay writing proficiency assessment revealed that BEED students were proficient writers. However, a Pearson correlation coefficient of 0.042 showed a statistically significant but very weak relationship observed between ChatGPT usability and English essay writing proficiency levels. It can be concluded that ChatGPT may improve students' essay writing proficiency to a minimal extent. Moreover, this study recommended further research to explore ChatGPT's use in other academic outputs, refine the rubrics to include vocabulary, grammar, and sentence structure criteria, and provide training for effective AI tool management among students. Also, policymakers should establish clear policies and guidelines to ensure the responsible and ethical use of ChatGPT, maintaining academic integrity and enhancing writing proficiency.

As the main form of constructing and disseminating disciplinary knowledge, English journal articles have an important linguistic status and theoretical research value. Among them, metadiscourse, as a typical discourse category presented by academic discourse behaviors, has been attracting attention for its discourse features. In order to explore the variation mechanism of metadiscourse verb patterns more effectively. In this paper, we construct a BiLSTM-verb analysis model in intra- and inter-disciplinary perspectives. The computational analysis shows that the authenticity embodiment of metadiscourse is 89%. The interactivity of metadiscourse is 78%. The meta-discourse needs to deal appropriately with the relationship with previous research, and to highlight its own findings and significance. A longitudinal comparison shows that the first paragraph highlights the conceptual interpretation of subject knowledge and the refinement of propositional relationships, with more emphasis on the abstraction and generality of information presentation. Therefore, its variance fit is up to 23%. The diagrams focus most on explaining the concepts of subject knowledge, indicating the tone and level of reasoning of the discourse, and outlining the purpose and results of the study. Therefore, its variance fit is 19%.

The study of metadiscourse word resources is an important way to reveal academic knowledge constructs and genre features in English papers. This paper selects intra- and interdisciplinary English academic papers as data samples, and the text representation is based on the vector space model. The text similarity is calculated using the word movement distance model to complete the clustering based on the density peak, and then the semantic annotation of metadiscourse verb patterns is performed using the conditional random field. Then, the intra- and interdisciplinary metadiscourse annotations are compared to analyze the variation of verb patterns. The intra-disciplinary variation of metadiscourse verb patterns was mainly found using attitude markers, where the log-likelihood ratios of 48.56, 30.25, and 35.64 were obtained for affirmative, critical, and critical declarative attitudes, respectively. In interdisciplinary studies, basic disciplines preferred to use verb patterns as transitions, while applied disciplines preferred to express the author’s point of view. The study of metadiscourse verb patterns effectively enriches the linguistic resources in academic English teaching and deepens the understanding of the characteristics of disciplinary essay genres.