Abstract :
Error analysis is a systematic method to analyze learners? error in applying
linguistics as well as a second and a foreign language. Subordinating conjunction
is a conjunction that joins an independent clause and a dependent clause, and also
introduce adverb clauses. investigating of error analysis through the students?
work is essential research as its aims. This study was conducted by the aims to
describe the types of error found in the students? essay writing and the most
committed error based on the surface strategy taxonomy made by the 5th semester
students at STKIP PGRI Sidoarjo. Descriptive qualitative method was applied in
conducting this study. The subjects of this study were the 5th semester students at
STKIP PGRI Sidoarjo. The instruments of this research were the researcher,
documentation and table. The result showed that there were four types of errors
found in the students? essay writing based on the Surface Strategy Taxonomy
called: (1) omission consisting 7 errors (22.58%), (2) addition consisting 2 times
(6.45%), (3) misformation consisting 6 errors (19.36%) and (4) misordering
consisting 16 errors (51.61%). Meanwhile, the most type of error was in the form
of misordering error found 16 times (51.61%). However, the researcher addresses
recommendations to 1) English teachers should be aware on grammatical errors in
essay writing, 2) students to explore their writing ability to moderate errors, 3)
other researchers to explore the implementation of error analysis in writing.