Lailatus Sarofah, 2016, The Analysis of Punctuation Errors on English Writing Diary at The Tenth Grade of SMA Negeri 1 Pademawu. Thesis, English Teaching Learning Program (TBI), Tarbiyah Department, The state of Islamic college (STAIN) Pamekasan. Advisor: Siti Azizah, M.Pd. Keywords: Punctuation Errors, English Writing Diary, Writing Skill. Punctuation is an important component in writing …