In this paper, we attempt to describe a transformation process of a Malay head modifier sentence into a thematic relation structure. The head modifier inside a Malay sentence can be determined by completing a comprehensive analysis of the Malay grammatical structure. The analysis includes evaluating and verifying the works in Malay sentence, which have casual ralationship between a head and non-noun modifier(inti dan penerang nama) or head and non-noun modifier (inti dan penerang bukan nama). The classification of head and noun modifier or head and non-noun modifier can assist us to idenfity cleary the potensial of a word in he Malay setence whether it is either a head or modifier. These words' classifications are useful when constructing thematic relation structure. To produce the relations, it requires linguist to verify the correctness of the thematic relation name suggested. Based on the verified categories we can casily nominate the pair of words in Malay sentence, which follows the thematic relation structure characterized.The overall conceot presented in this paper will assist us to identify perspicuosly what are the basic components and their specifications that should exist in the process. One the other hand, it is also imprortant to point out the passible drawbacks and constraint of the initial appoach suggested.