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