Melisa Keti Sino Pengarang DEWI I N BILI BORA Dosen Pembimbing 2 LAURENSIUS KIAN BERA Dosen Pembimbing 1 Alexander Home Kabelen Ketua Penguji Laurensius Kian Bera Penguji 1 Dewi I. N. Bili Bora Penguji 2

The aims of this research is to present information about errors in grammar in writing descriptive texts made by sixthsemester students of the English Education Study Program of Nusa Cendana University Kupang. The writer used surface strategy taxonomy in analyzing errors. This research uses a descriptive qualitative method, with data collected through students' written assignments. The analysis is based on the surface strategy taxonomy proposed by Dulay, Burt, and Krashen, which includes omission, addition, misformation, and misordering. The results of errors in students writing consist of some types, and the total number of errors is 44. The most frequent errors committed by 20 students are omission with the total number of 25 (56.81)% made by 17 students, misformation with the total number of errors of 13 (29.54)% made by 9 students, addition with the total number of errors of 5 (11.36)% made by 5 students, and in misordering the total number of errors is only 1 (2.27)% made by 1 student. The suggestion is that the students have to learn a lot about grammar, especially in tenses, verbs, nouns, adjectives, conjunctions, prepositions, suffixes, and articles. Key words: Error, Analysis,Grammatical Error, Error Analysis, Descriptive Text, English Study Program