Alveolar(齿龈音) Alveolar sounds involve the alveolar ridge as the passive articulator. The active articulator may be either the tongue blade or (usually)the tongue tip diacritic symt b oIs can be used if it matters which English alveolar sounds include t], [d], [n [s], [z 2021/2/232021/2/23 12 Alveolar (齿龈音） • Alveolar sounds involve the alveolar ridge as the passive articulator. The active articulator may be either the tongue blade or (usually) the tongue tip -- diacritic symbols can be used if it matters which. English alveolar sounds include [t], [d], [n], [s], [z], [l]