Abstract:
This study aims at investigating difficulties encountered by secondary school students in writing English composition. The researcher adopts descriptive method. Two instruments are used for collecting data relevant to the study, namely interview to teachers of English at Sudan University of Science and Technology and written diagnostic test to secondary school students. The study sample of interviewees comprises of four teachers whereas the sample of written diagnostic test consists of (30) students. The researcher applied Microsoft Excel programme to analyse and verify the results. The results show that students at secondary school are unable to use sentence structure correctly. Moreover, students at secondary schools encounter problems in using vocabulary when they writing composition. Also students have problems in subject verb agreement. They have problems in using auxiliary verbs when they writing composition. The study recommends that teachers are advised to the students' awareness about the importance of writing composition. On the other hand, teachers should encourage students to develop their language skills and to give more attention to writing skills. Some suggestions are also proposed for further studies