Writing is constructed by putting sentences in sequence, one after another and, if a single sentence is read aloud, it should be understandable. A complete sentence always contains a verb, expresses a complete idea and makes sense standing alone. Sentences provide us with the framework for the clear written expression of our ideas. Sentences always begin with a capital letter and end with a full stop, exclamation or question mark. The purpose of this research is to find out the problem faced by the students in constructing grammatically correct English sentences at the second grade students of MAN 2 Sungai Penuh academic year 2017/2018 and the possible solutions from the students and teacher to solve the problems. The design of this research is qualitative research in a descriptive form. This research was done by the researcher at MAN 2 Sungai Penuh Academic Year 2017/2018. The informants were 9 students of XI IPS and the English teacher. To collect the data, the researcher used observation, interview and documentation. The result of data analysis show that the students at grade XI IPS of MAN 2 Sungai Penuh find some problems in constructing English Sentences, problems as follow: The students have low knowledge about grammar and English vocabulary, they don’t have enough time to learn about writing at school, the implementation of curriculum 2013 that hasn’t been maximized by the teacher, and they still have lack motivation in learning English. To solve the problems, the students and teacher did the efforts as follow : more learning and repeating lessons, adding and developing more vocabularies, and motivate students to have their interest in learning and cultivate curiosity
