Systematic research on language has a solid starting point in Freudian hypotheses on sexuality. This theory is the semantic ground for categorising narrations and providing a basis for the research method. The author places his research in the frame of the systematisation of the Freudian theory of substitute formations in the preconscious. He affirms that these formations are influenced in a particular way by each variant of sexuality. The author proposes an inventory (in Freudian terms) of those variants of sexuality, and he affirms that they can be detected in the discourse. Five universal scenes having the status of a canon, with specific features for each of the ways in which sexuality is manifested, make up narrations. The author describes the features of each narration and provides some examples. He also examines problems related to the use of the method (the coexistence of different variants of sexuality in a single fragment of a narration and the successive steps in the use of the method). The author briefly considers some other problems: the analysis of defences, the study of words and theoretical research. Finally, he examines the validity and reliability of the method.