Any kind of + plural word [duplicate]
Nouns related to "any" are correctly singular, when there is the possibility that only one thing might be involved.
- "Any person can do this"
- "He looked for any kind of evidence"
- "Any solution is better than none"
- "This works for any kind of drawing"
Using "all" requires plurals:
- "All people can do this"
- "This works for all kinds of drawing"
The associated noun for words like "kind" should always be singular (though it's not a rule that is widely followed)