I found the following sentence in one of books that I'm reading these days. What my question is I cannot understand why they use "illustrate" instead of "illustrates" in the following sentence, though "research" is an uncountable noun.
For example, the research literature overwhelmingly points to poverty as a factor in criminal behaviour.
dileepa For example, the research literature overwhelmingly points to poverty as a factor in criminal behaviour. "the research literature" is singular, so the verb is singular: "points".
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dileepaFor example, the research literature overwhelmingly points to poverty as a factor in criminal behaviour.
"the research literature" is singular, so the verb is singular: "points".
dileepaI cannot understand why they use "illustrate" instead of "illustrates" in the following sentence, though "research" is an uncountable noun
There's no word "illustrate" in your example.