Investigating the Difficulties of Using and Understanding the Central Modal Auxiliary Verbs

Abstract

The purpose of this study is to investigate the difficulties of using and understanding the central modal auxiliary verbs experienced by Sudanese learners of English language at university level . The results show that students face serious problems in using central modal auxiliary verbs . The samples used in the research are students of Sudan University of Science and Technology, College of Languages, Department of English Language , they are forty in number. The research is quantitative and the tool used is a test . The researcher recommends the students to work hard in order to get rid of the confusion happens in using the central modal auxiliary verbs , also students should read about grammar to better their knowledge about the modal verbs .