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The present paper provides a detailed analysis of the semantic content of the BE…LA formation found in the Basse Mandinka language. It demonstrates that the meaning of this locution corresponds to a complex set of various temporal, aspectual and modal senses: perfective and imperfective future, future perfect, future-in-the-past, intentional future, future with imperative and prohibitive nuances, real factuality as well as real and unreal counterfactuality. The semantic potential of the construction composed of all the atomic values is explained as a consistent whole, i.e., as a manifestation of three typologically plausible evolutionary scenarios: future predestination path, conditional path and modal contamination path.

Abstract: A series of first principles calculations have been carried out to study structural, electronic properties of BaS x Se1− x alloys. We have used the local density as well as the generalized gradient approximations for the exchange-correlation potential. The structural properties of these materials, in particular the composition dependence to the lattice constant and bulk modulus, are found to be linear. It is also found linear relationship between theoretical band gaps and 1/a 2 (where a is lattice constant). [Copyright &y& Elsevier]