Abstract : In language learning, sometimes, the students made errors in written language. The students are difficult to master writing comprehension. They get difficulties to comprehend the grammatical system in writing English sentence. They also need to consider about the grammatical components of English that differ from Indonesian language. This article describes about errors made by the students in writing dialogue script. Thirty students from the second grade of SMPN 8 SKA were asked to write about free essay in dialogue script. All students writing are, then, analyzed in order to investigate students’ errors. Based on linguistic category and surface strategy, it can be concluded that the students have difficulties in grammar (tenses, preposition, agreement, article), lexicon (vocabulary and spelling), punctuation for linguistic category and addition (double marking, regularization, simple addition), omission, misformation (regularization, archiform, alternating form), misordering for surface strategy. Most students tend to have difficulties in spelling and omission
Keywords : error analysis, writing, dialogue script.
Stefani Rosalia Putri C, Sujoko