Middle school English about "many" words and phrases, and its collocation with countable and uncountable nouns... Has anyone sorted it out/

Middle school English about "many" words and phrases, and its collocation with countable and uncountable nouns... Has anyone sorted it out/

Some of the answers above are often used to modify the plural of countable nouns: a great number of, many, a great many (of), a quantity of number, many are followed by countable plural to modify uncountable nouns: much, a bit of, a great deal of, both of which are: a lot of =