world. The teachers do not emphasize English as the important subject in the school. Hence, the writer wants to conduct this study to Vocational High School
in order to make betterment toward the students‟ achievement and motivation in learning English, especially irregular past forms.
1.3 Statements of the Problem
In line with the background of the study and the reasons for choosing the topic, the statements of the problem can be stated as follows.
1 What difficulties do students have in learning irregular past forms?
2 To what extent do the combination of crossword puzzle and numbered
heads together influence the students‟ mastery in learning irregular past forms?
3 To what extent do the combination of crossword puzzle and numbered
heads together influence the students‟ motivation in learning irregular past forms?
1.4 Objectives of the Study
Based on the statements of the problems above, the objectives of this study are to:
1 find out what kind of difficulties students face in learning irregular past
forms, 2
measure the effect of the combination of crossword puzzle and numbered heads together to the students‟ mastery of irregular past forms, and
3 measure the effect of the combination of crossword puzzle and numbered
heads together to the students‟ motivation in learning irregular past forms.
1.5 Significance of the Study
This study is expected to give some benefits from the following sides. 1
For the teachers The study is expected to give the English teachers an effective technique in
teaching English irregular past forms. 2
For the students The study is exp
ected to increase the students‟ mastery and motivation in learning English irregular forms.
3 For the readers
Hopefully, the result of this research will give useful information and data in teaching English irregular past forms for those who want to conduct similar
studies.
1.6 Limitation of the Study
1 The subjects of this study are limited to the tenth grade students of SMK N
9 Semarang. Hence, generalization can be done in a very cautious manner. 2
The object of this research is limited to English irregular verbs, especially irregular past forms.
1.7 Outline of the Study
This study is arranged into five chapters. The first chapter is introduction. It covers the background of the study, reasons for choosing the topic, statements
of the problem, objectives of the study, significance of the study, limitation of the study, and the outline of the study.
The second chapter presents review of related literature. It contains review of the previous studies, review of the theoretical background and the
framework of analysis. The third chapter discusses the method of investigation which contains
subjects of the study, role of the researcher, type of data, instrument for collecting data, procedures for collecting data, procedures of analysing data,
technique of reporting data, and research design. The fourth chapter consists of general description, analysis of the data
which includes analysis of the try-out, analysis of the pre-test score, analysis of the cycle one, analysis of the cycle two, analysis of the interval test, analysis of
the post-test score, analysis of field notes, analysis of the questionnaire, t-test result, and
the students‟ score improvement. Then the last is the discussion. In this part, the improvements of the students‟ mastery and motivation in learning
irregular past forms are discussed. The last chapter is the fifth chapter. It describes the conclusion of the
research. Based on the conclusion, suggestions are offered.
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CHAPTER II REVIEW OF RELATED LITERATURE
This chapter presents of three sub-chapters. The first sub-chapter discusses the results of some studies which are relevant to this study. The second sub-chapter
provides some theories concerning this study. Then, the last sub-chapter presents the theoretical framework of this study.
2.1 Review of the Previous Studies
