IKA EMILIA ISTIYANI. "An Analysis of Errors Made by the Students in Using English Passive Voice (A Description Study of 11th Grade of Students SMK Satya Praja 1 Petarukan Pemalang Residence in Academic Year 2009/2010)"Thesis. Teacher Training and Education Faculty, Pancasakti University Tegal. Key word : Error analysis, the use of English passive voice, students of the 11th grade of SMK Sat…