Question

A large amount of和large amounts of有什么区别？

Answer 1

a large amount of 和 large amounts of的区别：
　　1.a large amount of +不可数名词，谓语动词用单数；
　　例：A large amount of money was spent on the bridge.
　　在这座桥上花了大量资金。
　　2.large amounts of+ 不可数名词， 谓语动词用复数。
　　例：Large amounts of money were spent on the bridge.
　　在这座桥上花了大量资金。
　　3.偶尔也可见到其后接复数可数名词的用法，但不算普通。如：
The shopkeeper had a large amount of oranges in his storeroom.
店主在货仓里存有大量橙子。——摘自《朗文当代高级英语词典》　　
Even small amounts of these substances are known to cause skin problems.
我们知道这种物质即使是一丁点也会损害皮肤。——摘自《剑桥高阶英词典》