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topic switch function were 3.5 in XI TKJ A, 9.5 in XI TGB, 5.3 in XI TAV, and no cases in XI TKJ B.
b. Repetitive Function
In this case, the English teacher used code switching when the teacher needed to clarify something to the students. Sometimes the students did
n’t understand about the materials if it were explained in English. Therefore, the
teacher needed to do code switching from English to Indonesian to make them understand.The case of code switching aimed to repeat something occurred in XI
TKJ A class. Here is the example: [25] T: Ok Diani. You can use perhaps, probably or must.
S: Maybe it means Derry is busy. T: Maybe it means Derry is busy. Ok good. How about Febri? I have
yawned twice in last 2 minutes. S: Yawned ki opo?
T: Nguap. I have yawned twice in last 2 minutes. “Kalau dia nguap 2 kali dalam 2 menit
If he has yawned twice in last two minutes. So what is the meaning of that situation?
From the example [25], we could see that the English teacher and the students were having a discussion about modals. The English teacher was asking the
student a question about modals. The question was “I have yawned twice in last 2 minutes
”. However, the students seemed confused with the question. In order to clarify the question, the English teacher translated the question by saying:
“Kalau dia nguap2 kali dalam 2 menit
, so what is the meaning of that situation? ” In this
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case, we could see that the English teacher did code switching from English to Indonesian in order to clarify meaning or to repeat something.
Another case of code switching aimed to repeat or clarify something occurred in XI TGB class. The case was found when the researcher did the
observation on April 20, 2013. The materials discussed in that meeting were body language and modals. At that time the teacher was explaining the material about
modals. Here is the example: [68] T: Understand Bim?
S: Understand. T: I will give you a question. Mawarni never answers my phone. If
Mawarni never answers my phone, so what is the meaning of that situation? Kira-kira kalau gak pernah jawab telpon artinya apa?
How if Mawarni never answers my phone? what does it mean?
S: Maybe it means she is angry with me. From the example [68], it could be seen that the English teacher was giving an
example of a situation. The situation was “Mawarni never answers my phone”.
After that the teacher asked a student a question [68]: “If Mawarni never answers
my phone, so what is the meaning of that situation?” However, the student did not immediately answer the teacher’s question. Noticing that the students might be
confused with the teacher question, she repeated what she had said in Indonesian. Therefore, she said:
“Kira-kira kalau gak pernah jawab telpon artinya apa? How if Mawarni never answers my phone? what does it mean?
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Those two cases about the code switching phenomenon whose function is to repeat or clarify something have shown us that in English classrooms,
especially in SMK N 2 Depok Sleman, code switching is used by the teacher to repeat or clarify something which st
udents don’t understand. It is also used for translating the English words which might be new for the students. Form the
researcher’s observation, the percentages of the cases of code switching aimed to clarify something were 65.0 in XI TKJ A, 69.1 in XI TGB, 71.0 in XI
TAV, and 77.8 in XI TKJ B. The results of the interview also supported the findings of the observation.
The interview was held on May 17, 2013. The interview aimed to gather information about the functions of code switching. From the interview it could be
concluded that the English teacher transferred the language from English to Indonesian to make the students understand about the materials. She also added
that she did the code switching when the students were confused with the teacher’s explanation.
c. Affective Function
