Really don't use 'many' or 'many of' just before an uncountable noun, to look at a significant amount or number of some thing. Use A lot or A lot of. couple of - a quantifier that could be made use of with count nouns and is often preceded by `a'; https://russellj674qva8.activoblog.com/42642980/the-fact-about-how-many-times-has-manchester-city-won-the-premier-league-that-no-one-is-suggesting