ERROR ANALYSIS OF STUDENTS’ WRITING SENTENCE ON SIMPLE PAST TENSE

The research is focused on student’s error in writing sentence of simple past tense.  The objectives of this research were to find the errors in student’s writing at The Tenth Grade Science 1 of SMA Swasta Daerah Kisaran. The subject of this research were 20 students of SMA Swasta Daerah Kisaran. The technique of collecting data used in this research were interview, observation and written test. The researcher used Dulay’s Theory to classify the types of errors. In this research, the researcher found 4 types of errors. Those were ommision, addition, misformation and misordering. The precentage of frequency the errors. It was ommison type (4286%), addition type (5,71%), misformation type (22,86%), and misordering type (28,57%). From all of the types, the highest frequent types of error was ommision