Students in the process of learning language profit from the errors they produce by making new attempts to successively achieve their desired objective. However, if these errors were not analyzed, detected, and, consequently corrected by proper feedback from students' lecturers, these errors will continue to grow as the process of learning English continue. The purpose of this study was to analyze the instances and types of the grammatical errors in articles and prepositions as made by Iraqi EFL postgraduate students while writing their academic project papers. It also aimed to determine...