1. Omission of
the –ing form
The highest percentage of error made by the students is omission of the –ing
form. It means that they used simple verb form instead of verb-ing form. Almost all of the students did it especially for the question number 4, so the total of error
is 63 or 49.60 . The highest percentage shows that student were confuse in forming the verb as a subjectobject or main verb in the sentence. In Bahasa
Indonesia, there is not a difference form between verb as a subjectan object and as a predicate of the sentence. For example, in the sentence,
―Aku tidak masalah kamu pergi tanpaku‖, in Bahasa Indonesia, the word ―pergigo‖ does not change
into another form when it functions as object, whereas in English, the word ―go‖ changes into ―going‖ because it functions as an object of the sentence. So, the
writer assumes that the source of error in omission is intralingual error, they lack of understanding of the target language.
2. Misformation of
the verb –ing form
The second highest percentage of error made by the students is misformation of the verb
–ing form. The total of this error is 55 or 43.30. The writer assumes that this error occur because the students used the different word
when translating the word in Bahasa Indonesia into English in which the word has the same word but different meaning in Bahasa Indonesia. For example, in the
sentence, ―Saya suka jalan-jalan‖, the word ―jalan‖ and ―jalan-jalan‖, has a different meaning although it is the same word. So, some students translated the
word ―jalan-jalan‖ into ―jalan‖ as ―street‖, and ―jalan-jalan‖ means more than one ―jalan‖, so they add ―-s‖ after the word ―street‖ into ―streets‖. The cause of this
error is interlingual transfer in which the students were influenced by their first language structure and used their limited knowledge of English structure in
making the sentence.
3. Addition of
the verb –ing form
The lowest percentage of error made by the students is addition of the verb –
ing form. This error only appeared in sentence number 2 with the total of error is
9 or 7.08 . This error happened because some students added the letter ―o‖ in
the word ―smoking‖ into ―smooking‖. They did it because the word in the previous sentence is ―cooking‖, so they made an error by applying the same rule
into the word ―smooking‖.
C. The Interpretation of the Data
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