Dubois d wiyad (1999: 334) nnan-d: tasnisemt d tifurkect n tesnawalt tzerrew tadra n yismawen imaẓlayen. Nezmer ad nebḍu tazrewt-a ɣef sin: tasmiddent (terza ismawen n yimdanen), akked tesmidegt (terza ismawen n yidgen) .1