The aim of thisstudywastofindouttheability of thefourthyearstudents of English StudyProgram, FKIP Riau Universityincombiningsentencesbyusinganappropriaterelativepronoun. 45out of 90studentswerechosenthroughcluster random technique sampling. Test was the main research instrument in this study.Related to research findings,therewere15 students (33.33%) wereinexcellent level, 11 students (24.44%) w…