Khabib (2000): The Influence of Tenses Mastery on the Writing Skill of the Third Year Students of SLTP Negeri 1 Kranggan Temanggung in the School Year 1999/2000. Paper. Magelang. English Department Faculty of Teaching and Education Tidar University of Magelang. Basically, the teaching of language in schools has the same purpose; that is to make students acquire the four-language skills-speak…