21. Other conservative features of Albanian include the retention of the distinction between active and middle voice , present tense and aorist. 22. The notes in these areas can be sung in either the chest voice or the middle voice , depending on the singer. 23. In fact, the patient is the same in both sentences, and sentence ( 2 ) is an example of implicit middle voice . 24. The speaker's particular strength is its middle voicing , in the range of clarinet and cello and the greater portion of vocal writing. 25. Many deponent verbs in Latin ( ie verbs passive in form but active in meaning ) are survivals of the Proto-Indo-European middle voice . 26. Both tenors have trouble with managing the transitional notes between the upper middle voice and the top tones, the so-called " passaggio ." 27. The A in the middle voice does not ascend to B, and the B in the upper voice does not descend to A. 28. The head voice of a man is, according to David A . Clippinger most likely equivalent to the middle voice of a woman. 29. Although, in contemporary teaching, some teachers no longer talk of the middle voice , choosing to call it the head voice as with men. 30. The diphthongs and are quite rare and mostly found in middle voice ) +-/ ( d ) A / ( infinitive suffix ).