This study was conducted to analyze the types of grammatical cohesive devices used in writing narrative texts by Fourth Semester Students Of The English Education Study Program Of Muhammadiyah University Kotabumi Academic Year 2023/2024 and to explain the cohesiveness of writing based on the use of grammatical cohesive devices. This research focused on discourse analysis, especially the analysis of grammatical cohesive devices. This research used a descriptive qualitative method. Data collection techniques used tests writing. The data of this study were 4th-semester students of Universitas Muhammadiyah Kotabumi in the academic year 2023/2024, which consisted of 24 narrative texts obtained from subjects with all 24 students. The data were analyzed qualitatively by using the theory of cohesion by Halliday and Hasan (1976). The results of this study, first, students used grammatical cohesive devices (reference and conjunction) in their writing, and the researcher did not find 2 grammatical cohesive device which is grammatical substitution and ellipsis. The second, reference is the most dominant one found in students' writing which covers 396 items which is the highest among other cohesive devices, conjunction grammatical cohesive device is 269 items, although students do not use substitution and ellipsis grammatical cohesive devices, this shows that of the four types of cohesive devices, only two are not used. The third, on average, cohesive devices were used grammatically by students in their writing. With the comparison of grammatical and ungrammatical, the total was 665 grammatical items and 41 ungrammatical items.

Keywords: Discourse Analysis, Narrative Texts, Grammatical Cohesive Devices.