Speaking is productive skills. It means that speaking is a practical language skill. Two classifications of speaking are monologue and dialogue. Debate is one of the speaking skills that can be done with your team. Debate also represents the speakers ability to deliver the argument and the statement to strengthen their opinion to support or reject the motion. Debate was performed by students to see how far they know the material in the speaking such as their speaking performance, their pronunciation in speaking, also their participation in speaking learning process, and how they elaborate the issues to support or reject the motion (critical thinking). The design of the study is descriptive qualitative error analysis. The data of this study were the debate transcript from government team and opposition teamin English Debate SMK PGRI 2 Kediri (EDS2) in academic year 2022/2023. The data was obtained through the speech recording from the students. Then identifying error, classifying errors, calculating errors, and explaining errors. It is analyzed by using Dulay theory. There were 6 types of syntactical errors in the SMK PGRI 2 KEDIRI (EDS2) students’ speech of English debate members. They were: the students’ error in noun found 19 errors; the students’errors in noun phrase found 7 errors; the students’ problem in verb found 78 errors; the students’errors in adverb found 12 errors; the students’errors in subject-verb agreement found 87 errors; the students’ errors in pronoun found 3 errors students was studentssyntactical errors in using verbs (predicate of the sentence). The types of error finds from the data gaining from error based on surface strategy taxonomy. There are 15 errors of Omission, 12 errors of Addition;Double Markings, 13 errors of Addition; Regularization or Overgeneralization, 11 errors of Addition;Simple Addition, 6 errors of Misformation; Regularization Error, 5 errors of Misformation; Archi�forms, 2 errors of Misformation; Alternating Forms, and 1 error of Misordering. The factors that influence this situation were mother tongue interference and ineffective traits of learning such as faulty application of rules and unawareness of the restrictions of rules that covers overgeneralization, ignorance of rule restrictions, incomplete application of the rules, and false concept hypothes.

Rosida , Ihbarul .   (2023). An Analysis on Syntactical Errors of Students Speech of English Debate SMK PGRI 2 Kediri (EDS2) Members. IAIN Kediri