Finally, the last step is explanation of errors. The writer explains why errors occur. She classified them into the causes of errors which is adopted from
Richards.
CHAPTER IV RESEARCH FINDING
A.
The Data Description
The technique of completing the data have been mentioned clearly in the precious chapter. Furthermore, the result of collecting data could be seen as below:
1. The Result of Observation
The observation was conducted on 20
th
of February 2013. It was held at SMAN 9 Kota Tangerang Selatan in the Second Grade of Natural Science Students which
consists of 40 students. There were two main aspects observed in that occasion. Fist, the teacher
‟s performance in delivering learning subject. Second, the students
‟ response s concerning the teacher
‟s performance in delivering the learning subject. The teacher started the lesson by reviewing the previous lesson, i.e.: conditional
sentence type I. After she was sure that all of students understood about conditional sentence type I, she continued explaining that there are three types of conditional
sentences. And they were going to learn the second one. The teacher began to explain that English verb s is different with Indonesian
verb s in term of verb form used. She explained that there are three types of verb forms used in English: infinitive, past form, and past participle. The teacher looked
around the students. She tried to make sure that the students understood what she was explaining. Then, she explained that past form is used in conditional sentence type II.
She gave some examples of past forms, and most of them are regular verbs. After that, the teacher asked the students by mentioning several verbs. However,
only few students participated this activity, the rest of them seemed to be silent. The teacher continued explaining by writing the formula of conditional sentence type II.
After that, she asked the students to copy it into their books. Then, after all of the students finished writing, she explained the function of it. She also gave some
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