Mustajib, Agus. 2018. “THE ABILITY OF STUDENTS OF ENGLISH STUDY PROGRAM 2017/2018 YEAR, ISLAMIC UNIVERSITY OF INDRAGIRI TO DISTINGUISH PRESENT PARTICIPLE FROM GERUND”. EJI (English Journal of Indragiri) : Studies in Education, Literature, and Linguistics 2 (1):1-11. https://doi.org/10.32520/eji.v2i1.227.