This document summarizes a study that investigated the difficulties English as a foreign language (EFL) teachers and students face regarding grammar instruction in Oman. The study aimed to understand teachers' perceptions of their own difficulties teaching grammar as well as those of their students. It also examined whether teachers' perceptions varied based on their gender, qualifications, teaching experience, or the level they taught. Teachers reported their perceptions via a questionnaire. The findings provide insights into the difficulties teachers and students experience with grammar instruction in an EFL context in Oman.