The analysis of students’ ability in building command sentence at MTs S YPKS Padangsidimpuan.

The aim of the research was to know the students’ ability in building command sentences at MTs S YPKS Padangsidimpuan, and to know the difficulties of students’ ability in building command sentences. The research was conducted with qualitative descriptive research. Based on analysis of data, the research used the qualitative research. The sources of the data, the Primary data was collected from the students grade VII at MTs S YPKS Padangsidimpuan. The Secondary sources of data were headmaster and English teachers at MTs S YPKS Padangsidimpuan. The instruments in collecting data were test, interview, and observasi. Data was processed and analyzed with qualitative process. Based on the result of research, researcher found that the students’ ability in building command sentence at MTs S YPKS Padangsidimpuan was enough (51%) and those were The difficulties students’ ability in building command sentence at grade seven MTs S YPKS Padangsidimpuan was students did not mastered using tenses, the students still weak in determine the changing where were subject, object and complement that happened in command sentence and the students did not know about the meaning of the word in sentence