What are examples of nouns that are always either singular or plural?

1 Answer
Minhaj Q. · Serena D.
Mar 26, 2018

Police== plural, advice, knowledge, fun, permission ==singular noun.

Explanation:

Police is always a plural noun.

Advice, knowledge, fun, permission are all singular nouns.

Somewhere you can make a phrase to emphasize them
like --a piece of knowledge

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