“THE ABILITY OF STUDENTS OF ENGLISH STUDY PROGRAM 2017 2018 YEAR, ISLAMIC UNIVERSITY OF INDRAGIRI TO DISTINGUISH PRESENT PARTICIPLE FROM GERUND”. ENGLISH JOURNAL OF INDRAGIRI, vol. 2, no. 1, Jan. 2018, pp. 1-11, https://doi.org/10.32520/eji.v2i1.227.