英语词组辨析a large amount of a great deal ofa large quantity of这3

a large quantity of和plenty of既可接可数名词又可接不可数名词,a large amount of和a great deal of后只可接不可数名词；a large number后只可接可数名词.
a large amount 一般指数量上大 ；
a great deal 不仅指数量上大,还可以指（重要）程度上大.
如：A large amount of money were spent on the project.
A great deal of moneyhas been spent on the new hospital.
You'll have to work a great deal faster.

a large amount of 只能修饰不可数名词，后面谓语动词只能是单数
a great deal of只能修饰不可数名词，后面谓语动词只能是单数
前面2个也差不多的
a large quantity of后可数与不可数都可以，后接动词只用单数，因为quantity这个词后的动词单复数形式与其修饰的物体可数与不可数无关，与其本身有关，如果是quantities of修...

a large quantity of和plenty of既可接可数名词又可接不可数名词，a large amount of和a great deal of后只可接不可数名词；a large number后只可接可数名词。
a large amount 一般指数量上大 ；
a great deal 不仅指数量上大，还可以指（重要）程度上大。

a large amount of： (接不可数名词)大量；一大笔；大量(不可数)；大量的（修饰不可数名词）(接不可数名词)大量
a good deal of (接不可数名词)许多，大量a large amount of (接不可数名词)大量a little (表示肯定)一些，一点点 ...
一大笔
...persuade sb. to do sth. 劝某人做某事a l...