CHAPTER I
INTRODUCTION
1.1 Background of the problem
Nowadays, the ability to understand a foreign language is important. Since language is used not only as a communication however language device but also as
the interaction tool. However language is not only used as communication tool but also has other functions in society. People use language to express their feeling,
idea and will. English is taught in most of this countries in this world because it is used as international language. It means most people in this world use English for
their international language. If someone has a good ability in English, they can face the development of globalization. In Indonesia English is learnt since elementary
level until university level. It aims to make students’ English ability better in order to make students’ ready to compete in the future.
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At this time, some of human are bilingual because they can speak more than two language. In their communication bilingual phenomenon can occur anytime
and anywhere. Someone student individual can become bilingual at the time of children and also at the time of adult. While this phenomenon can find it in family
environment, school, or in other place. They usually consciously or unconsciously apply code switching and code mixing. Code mixing combines more than one
language. It happen to bilingual people. Poplack 1980 and Milroy and musyken 1995 define code switching as “the alternation of two languages within a single
discourse, sentence, or constituent” and as “alternative use by bilinguals of two or more language in the same conversation” respectively. I can be included that the
process of alternating between two language or language varieties, in a single conversation
or the use of more than one language, variety, or style by a speaker within an utterance or discourse, or between different interlocutors or situations
In a follow-up communication especially in the communication process teaching in the class, the teacher has bilingual sometimes determine the choice of
code to use in communication. When code can be triggered by several things such us interlocutors, the topic of communication, situation and etc.
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Dealing with the whole explanation above. A study entitled An Analysis of Code Switching use by Teacher English at SMA N 6 SIAK HULU. It focused on
word written Code Switching use by teacher English.
1.2 Setting of the problem