much
veel + enkelvoud(niet telbaar, kan geen meervoud van maken)
He didn’t spend much time on his work. (time)
We don’t have much money with us.(money)
many
veel + meervoud (telbaar, kan meervoud van maken)
They didn’t visit many museums on holiday.(museum-museums)
I have many books.(book-books)
How many teenagers are going on this tour?