More often than not, oral data differ from written data both from a frequential and distributional point of view. They lead to a sharpening of the description as they supply us with construction characteristics or contexts that do not exist in writing.Dislocations and the form 'il y a', known to be lavishly used in the oral language, provide us with often predictable examples regarding their distributional characteristics as well as their function in textual dynamics.Although 'certains' as a subject is not much used in spoken language, its offers a variety of distribution facts which are also clearly divided and actually related to the kind of observed corpus.The following article therefore aims at presenting us with three case studies that are representative of the relationship between data and analysis.
