talk about it. That is, a great many languages are what Anderson (1979) callssubject-forming languages, and that is a very particular kind <strong>of</strong> grammaticalorganization. Now, it is not by any means obvious that all languages which lack any"ergative" marking are automatically subject-forming languages -- that may be true,but such a conclusion requires further research on inverse typology, Austronesianvoice systems, Li and Thompson's topic-prominent typology, and on the oddvariants <strong>of</strong> that (if that is what they are) in languages like Burmese and Meithei.But as for the many languages in the world which do not have a clearsubject category the way most European and many other languages do, we need torecognize that there are several different parameters which languages cangrammaticalize in their system <strong>of</strong> marking core arguments. Transitivity is one <strong>of</strong>these, as Givón points out, and, independently (more or less) <strong>of</strong> that, the Agentivitycomplex -- though it remains an open question whether we can speak <strong>of</strong> Agentivityas a primitive in this way, or whether it must be broken down into components <strong>of</strong>eventivity, control, volition, and what all. In any case it probably has to be keptseparate from general causation, which also has its effect in core argument marking.Another, which has been grossly neglected to date (though that is not MY fault) isdeixis, which, when it is recognized at all, tends to be carelessly and incorrectlylumped together with animacy -- which may also be a relevant factor, and, <strong>of</strong>course, points back towards control, and hence toward Agentivity.Now, languages grammaticalize many different combinations <strong>of</strong> these, inmany different ways, and the grammaticalization <strong>of</strong> the same parameter may beaccomplished in quite different ways, which may or may not involve case marking.For example, it might be useful to compare transitivity as reflected in Mizo ergativemarking with transitivity as reflected in the detransitivizing so-called "reflexive"constructions <strong>of</strong> most European languages. And it is a rather obvious idea (as Ipointed out many years ago) to compare the grammaticalization <strong>of</strong> deixis in "splitergative" languages and in inverse-type languages, which <strong>of</strong>ten show nomorphological features that we would be inclined to call ergative.My point, my final suggestion, is that being obsessed with the idea <strong>of</strong>"ergativity" actually pulls us away from these very promising lines <strong>of</strong> research, andleaves us comparing bluebirds and blue jays, for no better reason that they are sort<strong>of</strong> the same color.18
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