Abstract:
This study has dealt with the problem that facedsome Sudanese Universitystudents
whenadding affixes to English words. The study consists of five chapters; the first
chapter is an introduction, statement of the problem, questions of the study,
hypothesis, objectives, significant, limits and methodology of the study.The second
chapter presents theoretical frame work and literature review; concentrated on
affixes, the main rules associated with adding affixes to English words, as well as
English inflectional and derivational morphology. The third chapter is devoted to
the practical part of the study as introduction, subjects, instrument, data collection
procedures, reliability, and validity. The fourth chapter reflects data analysis,
results and discussion. Thelast chapter shows findings, recommendations,
conclusion and further studies. The researcher concludes that thereis agreat
variance in using affixes correctly. Therefore, the researcher recommends the
upcoming researchers for further studies in order to investigate the topic from
different views.
