Students’ Barriers In Passive Voice Sentences (A Case Study At Smk Yaspenmas Sei Lepan)

This study aimed to find out the errors experienced by students in composing passive voice sentences. It also explained the factors that cause students' barriers in constructing passive voice sentences. This study covered students' errors and bariers in constructing passive voice sentences in the form of Simple Present Tense, Simple Past Tense, and Present Future Perfect Tense. This approach research used a qualitative method through a case study. The object of this research was 12 students in class XII of SMKS Yaspenmas Sei Lepan. Data collection techniques were using tests and interviews. The findings of this study were the types of student errors on omission 62.4%, misinformation 10.6%, misordering 27%. As well as the location of the error in the passive voice sentence in the form of Simple Present Tense in the use of to be 75%, past participle 100%, then the use of to be in the Simple Past Tense 95, 83% and past participle 64.6%, then the use of Have in Present Future Perfect Tense 36.1%, been 100%, and past participle 33.3%. The factors that cause barriers were students’ lack of interest in learning English, lack of vocabulary mastery, lack of understanding of grammar, lack of parental attention, lack of supporting media in the learning process, school infrastructure that did not adequate.