aquantityof谓语

a quantity of 名词作主语，谓语是单数还是复数由其名词是不可数名词单数还是可数名词复数来决定，具体情况归纳如下。

(1) a quantity of 可数名词复数，作主语，谓语用复数

A large quantity of flowers were heaped on the martyr’s tomb.

(2) a quantity of 不可数名词单数，作主语，谓语用单数

A large quantity of beer was consumed. Quantities of food were on the table.

特别备注：

A: a large quantity of 不可数名词，作主语，谓语用单数

船里有大量的鱼肉。

There is a large quantity of fish in the boat.

B: a large quantity of 可数名词复数，作主语，谓语用复数

印刷了大量的书。