How many of them are there?
There are too many of them.
There is an over-abundance of them.
There is a glut of them.
There are plenty of them.
There are lots of them.
There are heaps of them.
There is an abundance of them.
There are so many of them.
There are quite a few of them.
There are enough of them.
There are some of them.
There are several of them.
There are a few of them. (3)
There are (only) a couple of them. (2)
There is only one of them. (1)
There aren't enough of them.
There aren't any of them. ( 0 )
There are none of them. ( 0 )