This document outlines the stages and requirements for a final assignment on error analysis in English as a foreign language. It consists of four stages: 1) a listening component involving analyzing audio recordings, 2) a writing component requiring a reaction paper on the recordings, 3) a reading component where students identify mistakes in a classmate's reaction paper, and 4) a speaking component where students work in pairs to present a summary and categorization of errors found in both reaction papers. The document provides detailed instructions and requirements for completing each stage of the assignment.