Kurdish EFL Learners� Errors of Preposition across Levels of Proficiency: A Study of Types of Prepositions and Sources of Errors

Error analysis is a type of linguistic studies that focuses on the errors that learners make. To identify and explain the errors which are committed by second/foreign language learners, error analysis is one of the best ways of such purpose. This study aimed at analyzing the errors in the use of prepositions made by Kurdish EFL learners. One-hundred and seven students studying English at University of Sulaimani, Kurdistan, Iraq participated in this study. Based on the result of Oxford Placement Test participants of this study were at three different levels of proficiency; elementary, lower-intermediate and upper-intermediate. This study tries to find out the sources of the errors and specify the differences between learners at different levels of proficiency. An Oxford Placement test and a preposition test were used to elicit the data. �After analyzing the data by SAS ver. 9 and SPSS VER. 22, it was revealed that, Kurdish EFL learners have problems in the use of English prepositions. The students at different levels of proficiency were different in making errors and the sources behind making errors. The students of higher levels of proficiency were least effected by the interlingual source of errors and also intralingual errors, and they committed fewer errors; it might be because students at higher levels of proficiency have more practice compare to the lower levels of proficiency. In the light of findings, this study has some pedagogical implications for teaching prepositions. Teachers are advised to draw their students� attention to the fact that literal translation into their mother tongue may lead to errors.