Modal Auxiliary Construction
Main Verb Construction
Positive He need to go now
Negative He needn’t go now
He doesn’t need to go now Interrogative
Negative-interrogative Need he go now?
Needn’t he go now Does he need to go now?
Doesn’t he need to go now?
2.3. The Previous Study
As the additional guidance and references for me in writing this thesis, it consults some thesis related to the auxiliary verbs.
Puspita, 2004 describes and analyzes the errors made by the tenth grade students of the SMU Al-Azhar Medan in using Auxiliary verbs. From the 1,496 total
errors, there are 480 32.09 errors of be, 383 26.60 errors of have, 380 25.40 errors of do, and 253 16.91 errors of modal. From the result of analysis,
it can be concluded that based on the total of the errors : the highest percentage of error produced is the percentage of error using be auxiliaries 32.09, and the
lowest percentage of error is the using modal auxiliaries 16.91. Suderia, 2007 analyzes the errors of analysis of auxiliary verbs made by
second year students of SMU 13 Medan. The result of her research is the most kind of error that made by the students of SMUN 13 Medan is the error of omission with
nominal 41,40.it means that most of the students omit or do not use the auxiliary verbs in their sentences while the sentences need the auxiliary verbs.
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Dealing with the information after reading the theses, the objectives of the analysis are different with this thesis. In this thesis, the objectives are to find out and
classify errors made by the respondents and then to make the percentage of them. But there is much information has got to complete the writing of this thesis.
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CHAPTER III THE METHODOLOGY
3.1. Method of Research
There are three kinds of research based on the location of the research i.e. library, laboratory, and field research Bungin, 2005:40-41. In writing this thesis,
field research is applied. The research has been done to the ninth year students of Madrasah Tsanawiyah Al-Ulum Medan that is located on Jl. Amaliun Gg.Johar
No.21 Medan. This institution consists of some degree from the Kindergarten School until Senior High School. In this analysis, The research is limited only to the
ninth year students or the 3
rd
grade of Junior High School students. The total of ninth year students here are about 92 students. They are divided into 3 classes.
3.1.1. Population
In doing the research, the data was collected from all the ninth year students who act as the respondents of the research; it is about ninety two students. Actually,
the term respondents is not suitable used in the case of language research but finally it is acceptable for it has a similar function with the term respondent in the
case of social research. It has a function to give the data which must be analyzed. In collecting the data, this thesis applied observation method and used test technique by
testing the respondents. Population is a group of individuals or items to be studied. The population of
a research can be people, social, phenomenon language and any other things, which may be relevant to the study Arikunto, 2006:130. In this case, the population of the
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