As for English problems, the problem of uncountable nouns and adjectives, specific, reading problems "Time", "noise", "weather" and other uncountable nouns, if the adjective is added in front, then "a (an)" can be added before the adjective, such as: "what a good time", "make a big noise", "a nice weather" Then, I would like to express "what a good time", "make a lot of noise", "a lot of good weather", and tell me the role of "a (an)" in sentences like "what a good time", "make a big noise", "a nice weather"

As for English problems, the problem of uncountable nouns and adjectives, specific, reading problems "Time", "noise", "weather" and other uncountable nouns, if the adjective is added in front, then "a (an)" can be added before the adjective, such as: "what a good time", "make a big noise", "a nice weather" Then, I would like to express "what a good time", "make a lot of noise", "a lot of good weather", and tell me the role of "a (an)" in sentences like "what a good time", "make a big noise", "a nice weather"

This grammar is called "concreting abstract nouns by adding adjectives before uncountable nouns, so we can add articles" to express "many good times", "making a lot of noise", "many good weather", which can't be quantified as quantity