a-large-amount-of-和-large-amounts-of的区别

a (large) quantiy of 和 (large) quantities of

a (large) quantiy of +不可数名词作主语,谓语动词用单数；

(large) quantities of +不可数名词做主语,谓语动词用复数。

a large amount of 与large amounts of的区别

只不过都是amount是修饰不可数名词：

a large amount of +不可数名词，谓语动词用单数；

large amounts of+ 不可数n 谓语动词用复数。

In fact, his English in one of these articles was so good that Engels wrote
him a letter and praised him for it.
事实上，他的那些文章中有一篇是用很漂亮的英文写成的 ，以至于恩格斯为此写
了一封信对他加以赞赏。
He made such rapid progress that before long he began to write articles
in English for an American newspaper.
他进步得很快，不久就开始用英文给美国一家报纸写文章了。
在上述两句中，that后面的 分句都是结果状语从句，意思都是“（如此……）
以至……”。由于其前的so是副词，such是形容 词，因此这两个句型在构成上
也有一定的差异。现将两个句型的用法特点概述如下：
一、两种句型的结构形式
（一）
so…that…引导四种不同的句子结构：
1. so+
形容词（表语）+that从句。例如：
It was so cold outside that we had to stop the game.
外面天气太冷了，我们不得不停止比赛。

The picture is so beautiful that everyone likes it.
那幅画是那样好看，以至于大家都喜欢它。
The weather is so fine that all the children want to go out to play.
天气如此好，所有的孩子都想出去玩一会儿。
2. so+
形容词+a(m)+单数名词+that从句。例如：
She made so good a meal that we all ate far too much.
她做的饭菜那么好吃，结果我们都吃得太多了。
It was so good an exhibition that I went to see it several times.
展览是那么好，结果我就去看了好几次。
It was so fine a day yesterday that we all went out for a picnic.
昨天天气很好，我们都出去野餐了。
3. so+
副词+that从句。例如：
He did so well in the examination that everyone praised him.
他考得那么好，人人都称赞他。
Tom ran so fast that he won the first place.
汤姆跑得那样快，结果他得了第一名。
He worked so hard at his lessons that he had little rest.
他学习功课非常勤奋，休息得很少很少。
4. so+many much few little+
名词+that从句。例如：
I”ve had so many falls that I”m black and blue all over.
我跌了那么多跤，全身跌得青一块，紫一块的。