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This paper shows how the transformational relationship between HAVE-sentences and OF-phrases is used to represent data contained in sentences with HAVE as the main verb in the context of an information system using natural language to access a relational data base. An overview of the system first establishes the framework in which natural language processing is done. Then ways of representing HAVE are discussed with emphasis on the relation between HAVE and OF. The interpretation proposed and the interpretation process are illustrated by a list of representative queries and phrases against a small data base. In conclusion, this interpretation is extended to prepositional attributes with WITH and WITHOUT, and problems are discussed.