The definition of "none" is : "not one of a group of people or things" or "not any". Then why do we use the expression "none of your business/concern" as in "My private life is none of you business/concern." ? Clearly "business" or "concern" is not a group of things but a singular noun ? Are they considered as collective nouns ?
Top answer
"business" and "concern" are uncountable nouns here (rather than singular nouns). " (Having said that, you can think of "none of your/my/etc. )
— Mr Wordy
"business" and "concern" are uncountable nouns here (rather than singular nouns).
" (Having said that, you can think of "none of your/my/etc.
)
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