Inagmayen beggnen-d daùen belli tameùrut n usefru d yiwen n uferdis agejdan ideg d-ttbanent limarat n tansayit. Tuget n tezrawin welhent-d ùer sin lesnaf n tmeùrut iùef yettwabna usefru amensay : Tameùrut tagensayt(1) (rime interne) d tmeùrut tanirit(2) (rime externe). Ayagi d ayen ara naf yettwabder-d di tezrawt M. A. Salhi(3) d tezrawt n M. Djellaoui(4). Tameùrut-agi n usefru aqbayli amensay, tettemxalaf si ûûenf n wafir ùer wayev : Deg wafir ushil bu yiwet n tseddart ad t-naf ikeffu s yiwet n tmaùrut iùef yettwabna usefru s lekmal-is(A/A/A … ). Ma deg wafir bu snat tseddarin, ttilint-d snat tmaùrutin : Tamaùrut tagensayt n tseddart tamenzut i d-yettuùalen di tseddarin timenza n yifyar i d-irennun. Tameùrut tanirit n tseddart tisnat i swayed keffun merra yifyar n usefru(AB/AB/AB… ). Deg wafir bu tlata tseddarin, ttilint-d tlata tmeùrutin, snat d tigensayin, yiwet d tanirit(AAB/AAB/AAB…). Acukan nvamagi n tmeùrut deg usefru amensay tettbeddil talùa-s, imi tameùrut tagensayt tikwal ur tettili ara mavi aladùa deg wafir bu snat tseddarin.