An Error Analysison English Writing Made By Second Year Students Of SMK Muhammadiyah Kartasura

This research aims at describing the errors on English writing of the second year students of SMK Muhammadiyah Kartasura. The writer uses random sampling as a technique of collecting the data. The writer classifies the errors based on linguistic category and surface strategy taxonomy. Based on the result of data analysis, the writer finds out twenty types of error’s in the students’ English writing, namely: Omission of to be as a verb in the present tense, omission of –s in the verb of present tense, verb –ing used in the present tense, misformation of to be in the present tense, additional of to be in the present tense, additional of –s in the present tense, present verb used in the past tense, misformation of verb in the past tense, verb –ing used in the past tense, omission of necessary preposition, additional of unnecessary preposition, misformation of preposition “in”, omission of necessary possessive pronoun, misformation of quantitative pronoun, additional of unnecessary article, the use article instead of possessive pronoun, the use article instead of subject, omission of necessary auxiliary, the use of to be instead of auxiliary, and the last is the use of unnecessary adverbs of manner. After classifying the errors, the writer has found the dominant error, namely the omission of to be in the present tense (22,66%). Besides, the writer also finds the sources of errors, namely: interlingual transfer and intralingual transfer. As a result, most of students still make a lot of errors in writing English, especially grammatical error.