A functional syllabus focuses on fluency which may lead to the less
attention on grammatical rules. It accounts for grammar errors in
producing sentences including in asking questions. This study explored
Wh-question errors by using the Surface Strategy Taxonomy. The results
show that the students' ability in constructing Wh-questions in Simple
Present Tense, Simple Past Tense and Simple Future Tense was
insufficient. The most frequent error in Simple Present Tense was the Wh
word; the error consists of 96 errors in misformation; for the Simple Past
Tense was verb, the errors consist of: 6 errors in omissions, 59 errors in
addition, 64 errors in misformation and 3 errors in misordering, for the
Simple Future Tense was the subject, the errors consists of: 6 errors in
omission, 2 errors in misformation and 135 errors in misordering