英语重点和难点：a great many 表示“许多大年夜量”的一些短语

I have been to the city a great many times. 我曾多次到过那个城市。

He has worked here for a good many years. 他在这里事情已经很多年了。

② a number of意为“许多，一些”，后跟复数可数名词。
表示强调时，可以说a great/large/good number of或quite a number of。
number还可用small，big润色。
a number of多用于肯定句，在疑问句或否定句中要用many。

Quite a number of students are on the sports ground. 操场上有许多学生。
（不可说a quite number of）

A great/large/good number of people have come to the party. 许多人都来参加这个晚会。

③ 下面几个短语后可以跟不可数名词或复数可数名词：

plenty of money/books 许多钱/书

a large quantity of water/trees 大量的水/树

④ a great/good deal of一样平常润色不可数名词，但偶尔也润色可数名词。

There is a great deal of oxygen in the air. 空气中有大量氧气。

They have spent a great deal of money on the project. 他们在这项工程上花费了大量资金。

⑤ a great amount of，a large amount of和a small amount of后跟不可数名词，不可跟可数名词。

He spent a great amount of time reading these books. 他读这些书花了很多韶光。

He sent her a small amount of money. 他给她寄了一小笔钱。