The student’s ability in mastering helping verb ‘to have’ at SMK Negeri 1 Pargarutan Angkola Timur

The aims of the research are to know how is the ability of students’ at grade X (tenth) in mastering helping verb ‘to have’ in present perfect tense and past perfect tense in verbal form,to know the students’ difficulties at grade X (tenth) to mastering helping verb ‘to have’in present perfect tense and past perfect tense in verbal form and to know the English teacher’s efforts to overcoming their students’ difficulties in mastering helping verb ‘to have’ in present perfect tense and past perfect tense in verbal form in SMK Negeri 1 PargarutanAngkolaTimur. The sources of data are the grade X (tenth) of students, the English teachers and Headmaster of SMK Negeri 1 PargarutanAngkolaTimur. The kind of this research is qualitative approach by using descriptive method. The instruments of collecting data are observation, interview and test. The analysis by using Mean Score and describe their ability based on their result. The formula of Mean Score as below: M = (∑x) N After the research was done, it can be known that the students’ ability in mastering helping verb ‘to have’in present perfect tense and past perfect tense in verbal format SMK Negeri 1 PargarutanAngkolaTimur can be categorized into enough category (41.11%). The students’ difficultiesenough in comprehending the basic of English subject. Some students did not know to match the appropriate helping verb with the subject. The students had lack vocabulary mastery. Some students cannot different between present perfect tense and past perfect tense.So, they felt difficult to answer the test