This study aims to investigate the type of Subject Verb Agreement (SVA) found in students’ of Writing II course’ final test according to Dulay’s Surface Strategy Taxonomy and the factors that influence students to make the errors. The method employed in this study is descriptive quantitative method and the instruments used were in terview and observation. The population is 23 writing from Writing II final test. The data collected shows 110 errors found (missing verb, missing verb and absence of –s/-es); 60 errors found in Omission (missing verb, missing verb and absence of s-es);, 17 errors found in Addition (double verbs and unnecessary –s/-es), 30 errors found in Misinformation (incorrect verbs a nd incorrect pronouns as subject) and 3 errors found in Misordering (words with similar meaning and parallel sentence). The factors that influence students to make the errors are the influence of students’ first language (L1) and Overgeneralization.