It's good English (in a suitable context, as is always the case with demonstratives), so I assume that someone has come up with a theory as to why . Clive
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fohmerCould there exist some theory of indirect anaphorism for demonstrative determiners 'this', 'these', 'that', and 'those', so that the following is also good English?There could. Yes. But I don't think anybody knows what it is.
fohmerSo, the example with "the" is correct, but the example with "this", "that", "these", and "those" is wrong?No. If you're there in the school, 'these classrooms' makes sense. As usual with 'these', it means the ones near the speaker. And so on for the other words you asked about.