Writing a topic sentence is difficult, as a variety of linguistic knowledge is required to represent the main idea of the whole paragraph. This study applies the mechanism of A-movement in generative syntax to observe syntactic structures, semantic denotations and pragmatic aspects of topic sentences in applied linguistics research articles. The…

Syntactic complexity has long been used to gauge language learners' performance, proficiency, and development, offering language teachers valid recommendations for syllabus design and materials development. Progress in syntactic complexity research foreshadows the imperative of measuring syntactic features at a high level of granularity, which…