<![CDATA[In the context of a language must have their respective positions as an effort to classify sentences in several positions. The main purpose of the classification of positions is to provide direction and explanation regarding the meaning of a sentence when it is collaborated with others sentences. Words that have initial positions as nouns or adjectives to verbs and adverbs will be in their position if they get an addition at the end of the word according to their context and use. The purpose of this paper is to analyze the reasons for the change of each basic word and to find out the context of the changes made so that the reader has a deep understanding when reading the novel "The Return of Sherlock Holmes". The research method used is a qualitative research method with a descriptive approach. Data collection techniques used in the form of reading and note-taking techniques. While the data analysis techniques used a step of analysis is to use the theory that underlies this derivational suffix and use some supporting references to produce a scientific finding. As a step to describe research, it is easier to use a concept map because it is easy to understand. The results of the research show that there are 2 words that are classified as changes in the suffix of adjective, there are 1 word that is classified as changes in the suffix of adverb, 2 words that are classified as changes in the suffix of verb and 2 words that are classified as the suffix of noun. Of the several changes, the majority of the reasons for changing are as a way to change the position of the word class.]]>
