Discourse Functions of Lexical Bundles in Pakistani Chemistry and Physics Textbooks

Lexical bundles (LBs) are indispensable building blocks and essential constituents of academic discourse. The appropriate utilization the lexical bundle’s approach can effectively enhance students’ understanding LBs in various genres have extensively been studied concerning written spoken language. However, less research has conducted to explore occurrence, nature, frequency Pakistani discourse, especially textbooks. Therefore, present study aims four-word common their functional taxonomies employed Higher Secondary School Certificate (HSSC) level textbooks Chemistry Physics. A specialized corpus these was built which run on Antconc software for identification extraction corpus. classification identified then carried out utilizing Biber LBs. found 102 occurring selected In categories, there a dominant use discourse organizers referential expressions. findings related frequent strings words significant educational implications teachers, language material developers, syllabus designers. list with functions provided by this significantly be used writing ability comprehend different types scientific texts.