The phrase "a main question about" is correct and usable in written English.
It can be used when introducing a significant or primary inquiry related to a specific topic or subject matter.
Example: "In this research paper, we will explore a main question about the impact of climate change on biodiversity."
Alternatives: "a key question regarding" or "a primary question concerning".
Although the demonstration of a greater activation for size discrimination (over pattern discrimination) within LOC, or a subdivision of it, was not a central to our main question about the responsiveness of AIP to 3D objects, it was still valuable in that it could provide evidence for a dissociation.
JUST a few weeks ago the main question about the euro-area economy was whether it would avoid recession.
Analogous to questions about externalization, the main question about internalization is how to stimulate a social system in such a way that individual learning is supported in a group.
The main question about potential Tory rebels is whether enough of them are going to vote in line with their beliefs.
For the average citizen here, the main question about the two candidates and their platforms... was which of the two, would do for or with Europe.
Having failed to satisfy reporters, Downing Street issued a further statement that Cameron's wife and children also do not benefit from offshore funds but again left the main question about the future unanswered.
The main question about the President's behavior concerns his decision to jump on the hood of his car after the first few eggs were thrown and give his campaign victory salute to the demonstrators.
But the main question about the middle class in the immediate future will be different: how badly will it be hit by a global recession?Since the Asian currency crisis of 1997-99, the middle classes in emerging markets have known nothing but success.
Just at the moment I think Alasdair Gray is going to finish his answer to my main question – about the huge act of creative completion he is undertaking – he veers off, unprompted, into a disquisition on sex and his failures with women.
