The original population of this study was all the students of English at all the Sudanese universities and
schools .The sample of the study contained two parts; the first part was (50) of the students who were chosen from
Sudan University of Science and Technology SUST. The (50) students were” chosen to do the recording for the
study test. The second part of the sample was (30) of the teachers of English at SUST. The teachers responded to
questionnaire on the exact sounds which the students mispronounce and the reasons for pronunciation problems
facing the students at SUST.