Abstract :
This research aimed to describe the types of error on verb form in thesis abstracts. This study
was descriptive qualitative method. The data were taken from student of English Education
Study Program of STKIP PGRI Sidoarjo in 2014 academic year with twenty students
randomly. The data collecting technique used pictures that documented from the library and
the researcher identified the errors which were found on every phrase or sentences and
classified the data into sub category of surface strategy taxonomy using identification and
classification table. The result of the study found one type of error in thesis abstract. It was
addition with 1% and total finding error was 1% . The finding of the error categorize as low
frequency because almost error with verb form, while they have passed Structure I-IV, TOEIC
and TOEFL subject it means at they have an ability of verb form correctly. To avoid those
types of error, the student should learn more about sentences pattern and English structure to
prevent them making the same error in the future.