This document discusses various frameworks for evaluating and adapting English language teaching materials. It begins by outlining the advantages and disadvantages of using textbooks, as well as some criteria for evaluating materials such as appearance, teacher-friendliness, and suitability for learners' levels. The document then examines different methods for adapting materials, including editing, adding, replacing, and deleting content. It analyzes frameworks from Dalby (2009), McDonough and Shaw (2003), and Islam and Mares (2003) for adapting materials through techniques like expanding, subtracting, modifying, simplifying, and reordering. The document concludes by exploring approaches to materials evaluation, such as pre-use, while-use, and post-use evaluation, and