a good many修饰可数还是不可数
a good many是修饰可数名词的，表示许多;大量;众多的意思。
Weve both had a good many beers
我俩都喝了很多啤酒。
A good many of them want to go there.
他们中的许多人都希望去那里。
I have rather a large influence over a good many people
我对很多人都有相当大的影响力。
The little girl knows a good many folk songs by heart.
那个小姑娘记得好多民歌。
Job security has become the touchstone of a good job for many employees.
工作稳定性已成为很多员工衡量一份工作好坏的标准。