Grard Genette (1972 : 229), yessumer-d ukuẓ n lesnaf n walas ilmend n wakud n walas : 1- Alas imseggri45 : d addud i yettaṭṭaf umalas s waṭas, yettales-d tidyanin yezrin ; 2- Alas imsezwer46 : amalas yettales-d ayen ara yeḍrun deg yimal ; 3- Alas n yimir : amalas yettales-d taḥkayt deg yimir ideg tḍerru ; 4- Alas amsidef47 : d yiwet n tsekka tuddist n walas yezdin gar walas imseggri d walas n yimir.