I found some sentences with these phrases and am wondering why they can be as they are when mostly I see like "kinds/sorts of + plural nouns" and "kind/sort of + singular noun"?
kinds of thing
sort of great beings
Top answer
The idiom sort of has an informal adverbial usage: somewhat, rather . , of things, the things must be plural. "
— Rvw
The idiom sort of has an informal adverbial usage: somewhat, rather .
, of things, the things must be plural.
"
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The idiom sort of has an informal adverbial usage: somewhat, rather.
I agree that if one is talking about kinds, sorts, types, etc., of things, the things must be plural. If there were only one type of ice cream, what would be the point of talking about types of ice cream -- we would completely specify it by saying "ice cream."