ERROR ANALYSIS IN USING SIMPLE PRESENT TENSE IN DESCRIPTIVE PARAGRAPHS MADE BY THE SEVENTH GRADE STUDENTS OF SMP KATOLIK TRISAKTI 1 MEDAN

This research method used a case study method. The subject of this included the Seventh Grade Students of SMP Katolik Trisakti 1 Medan. Which is comprised of 30 stusents. In analysis the datan the writer collected the data from the students identifiedthe grammatical errors, classified the errors of using simple present tense in the students’ descriptive paragraph to determine the frequency of errors, and calculated the data into percentages. The data by using formula:P= fnx100%  P= Percentage, F= Frequency of error made, N= Total of students’ errors.the data was taken from the test: it was written test. The result demonstrate that the students’ errors can be categorized into four kinds of errors. Which include 14,7% errors of omission, 6,7% errors of additon, 73,3% errors in misformation and 5% error in misordering. The writer observed 218 total errors. The witer concluded that misformation was the dominant kind of errors Made by the Seventh Grade of SMP Katolik Trisakti 1 Medan. The teacher recommended practicing grammatical rules in Simple Present Tense in order to minimize the errors. Morever, other researchers can provide techniques in increase students’ mastery of simple present tense.