2)a large/huge amount of / large amounts of + 不可数名词
A large amount of milk is overdue. 大量的牛奶都过期了。
Large amounts of money were spent on the subway. 这地铁费了很多钱。
a lot of/ lots of + 可数名词复数/不可数名词
There is a lot of water in the pool. 池子里有很多的水。
Lots of leaves of trees have fallen down the ground in the autumn. 秋天里，许多树叶已经从树上掉了下来。
plenty of +可数名词复数/不可数名词
There are plenty of cars on the freeway. 高速路上有很多的'汽车。
I have plenty of time to do my homework. 我有很多时间去做家庭作业。
a good/great many + 可数名词复数
A great many people on the square are looking at a strange man. 广场上很多人都在看一个怪人。
many a + 可数名词单数，谓语动词用单数形式。
Many a scientist has gone to the lonely island. 不止一个科学家去过那个偏僻的小岛。
表示几十和很多：scores of，dozens of, numerous
She bought dozens of eggs yesterday morning.她昨天上午买了许多鸡蛋。
I have heard that scores of times.那件事我已听过很多遍了。
number of...表示“...的数目”’谓语动词用单数形式。
The number of books missing from the school library is large.学校图书馆丢失书的数目很大。