This article focuses on nouns referring to previously identified entities and yet preceded by an indefinite quantifier. Particular attention is given to the fact that such quantification produces modal effects, an aspect of the problem conspicuously neglected by our predecessors. The intransitive bă construction in Chinese serves as an illustration of this phenomenon. In Mandarin Chinese the so-called pretransitive construction consists in the placement of the direct object before the verb by means of the preposition bă. However, bă does sometimes occur in sentences with intransitive verbs. Moreover, the bă noun phrase, which normally should be definite, is in this case usually preceded by the classifier ge, representing a counting unit and...