ABSTRACT Muhammad Waqid, 2014, The Influence Of Students’ Mastery Phrase on Writing Skill at The Eleventh Grade Of Madrasah Aliyah Nurus Sholah Akkor Pamekasan, Undergraduate, Thesis, English Teaching Learning Progam (TBI), The state of Islamic college (STAIN) Pamekasan. Advisor: Drs. Mosleh Habibullah M. Pd. Keywords: mastery phrase, writing skill. Phrase can be one of element in wr…