为什么用many people,many不是不能接不可数名词吗?

people 为什么用many修饰啊? Many people 为什么用many people,many不是不能接不可数名词吗? English is spoken by many people.（为什么要用by?) his works are read many by people 为什么用by people可数?是much people 还是many people为什么? so many people,so many many people 还是 many persons you know you have a dept to many people 为什么要用to 而不是for many people 为什么so many可以修饰people 为什么people能用many修饰,audience不能 many不是接可数名词吗?而people是不可数名词,在many young people中,为什么用many而不用much? people不可数名词,为什么还要用how many people are there at the concert? people不可数时为什么用many more而不是much more people的 为什么是many people going shopping为什么用going为什么一定是many girls enjoy going shopping，而不能是many girls enjoy go shopping people 应该用many people 还是much people呢? There are too many people in the school.为什么要用many?有类似用法的吗？ people前面用much还是many