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Evidentiality - a grammatical expression of information source (, ) - is often expressed on a clausal level, and its marking is associated with the verb. In a few languages, a noun phrase can acquire its own evidential specification. Evidentiality can be expressed autonomously, or be fused with another grammatical category, including aspect, tense, or mood for verbs, or spatial distance and topicality for noun phrases. We investigate interactions and dependencies between evidentiality and other grammatical categories, both verbal and nominal. A number of such dependencies is supported by the diachronic development and history of evidentials. [ABSTRACT FROM AUTHOR]

Cognate Head-Dependent Constructions (CHDCs) are employed across numerous genera in Africa to signpost alternations in the aspectual characteristics of a predicate or the information focus of a clause. The co-occurrence of a finite lexical verb (the cognate head) and an etymologically related (deverbal) noun or non-finite verb form (the cognate dependent) in such structures is interpreted with reference to the scalar semantics of events and properties. Within this areal typology, CHDCs are employed to indicate either (i) a high point relative to a norm on a semantic scale or (ii) a conventionally low-ranked possibility, in order to implicitly contrast possible alternatives. [ABSTRACT FROM AUTHOR]

The range of mirative meanings across the world's languages subsumes sudden discovery, surprise, and unprepared mind of the speaker ( and also the audience or the main character of a story). Mirative markers may also convey overtones of counterexpectation and new information. The range of mirative meanings may be expressed through a verbal affix, a complex predicate, or a pronoun. Evidentials whose major function is to express information source may have mirative extensions, especially in the context of the 1st person subject. The mirative category appears to be susceptible to linguistic diffusion. [ABSTRACT FROM AUTHOR]