GRAMMATICAL ERRORS IN WRITING NARRATIVE TEXT BY THE EIGHT GRADE STUDENTS AT SMPN 2 TIGABINANGA

This research deals with the eight grade students’ grammatical errors in writing narrative text. This research uses a qualitative design in which the data are taken from the sentences of texts. The data are collected by writing test and interview. The analysis found that: 1) There are four types of errors; they are ommision 6 cases (20.1%), addition 6 cases (20.1%), misformation 17 cases (58.8%), and misordering 0 case (0%). 2) The causes of errors; Interlingual transfer contributes 13.7% and intralingual transfer contributes 86.3%. So, the most dominant type of errors made by the tenth eight students in writing narrative text is misformation. It is hoped that the result of this research is useful for everyone who wants to study about grammatical errors.