Abstrak
<p style="text-align: center;"> <span style="font-family:times new roman,times,serif;"><strong>ABSTRACT</strong></span></p> <p style="text-align: justify;"> <span style="font-family:times new roman,times,serif;"><strong>Yuri Maulidia, 2312.091. An Analysis of Students’ Mastery in Subjunctive Mood atthe Fourth Semester English Students of IAIN Bukittinggi Academic Year 2015/2016. Thesis, State Institute of Islamic Bukittinggi. 2016. </strong></span></p> <p style="text-align: justify;"> </p> <p style="text-align: justify;"> <span style="font-family:times new roman,times,serif;">This research was aimed to analyze the students’ mastery and the cause of students’ errorin subjunctive mood at the fourth semester English students of IAIN Bukittinggi academic year 2015/2016. The researcher found that some of students had difficulties in mastery subjunctive mood. Then,some students still did not understand how to used subjunctive mood because they were difficult to used subjunctive mood in different conditions.</span></p> <p style="text-align: justify;"> <span style="font-family:times new roman,times,serif;">This research was a descriptive quantitative research. The population of this research was 120 students. They were divided into class A, B, C and D. To determine the sample, the researcher used random sampling technique. The researcher took 20 % of the total population it means 24 students as the sample of this research. The technique of data collection in this research was documentation and questionnaire. The researcher used rating scale table proposed by Suharsimi Arikunto to see the level of students’ mastery in subjunctive mood and used the percentage proposed by Anas Sudijono to see the cause of students error in mastery subjunctive mood.</span></p> <p style="text-align: justify;"> <span style="font-family:times new roman,times,serif;">The result of this data analysis showed that the students’ mastery in subjunctive mood and the cause of students error in mastery subjunctive mood. Based on the formula which was used, the researcher found that students’ mastery in subjunctive mood was sufficient. The most of students got the scores in range 68-74 as the highest score of frequency. Then, the percentage of mean score which was calculated was 60.79 with the rating quality was sufficient. These errors are caused by some factors, that are interlingual transfer, intralingual transfer: overgeneralization, ignorance of rule restrictions, incomplete application of rules , false concept hypothesized, context of learning: misleading explanation from the teacher and faulty presentation of a structure or word in text book.</span></p> <p style="text-align: justify;"> </p> <p style="text-align: justify;"> </p> <p style="text-align: justify;"> <span style="font-family:times new roman,times,serif;">Key words: grammar, subjunctive mood</span></p>