 Some scholars (notably Rhodes) have analyzed this as a kind of obligatory passivization dependent on animacy, while others have claimed it is not a voice at all, but rather see inversion as another type of alignment, parallel to nominative–accusative, ergative–absolutive, split-S, and fluid-S alignments.Topic-prominent languages like Mandarin tend not to employ the passive voice as frequently.In general, Mandarin is best analyzed as using middle voice, but Mandarin-speakers can construct a passive voice by using the coverb ("bèi") and rearranging the usual word order.