a quantity of的謂語動(dòng)詞用單數(shù)形式。當(dāng)"a quantity of"修飾不可數(shù)名詞時(shí)，謂語動(dòng)詞使用單數(shù)形式。這是因?yàn)?quot;a quantity of"作為一個(gè)整體，其后的不可數(shù)名詞決定了謂語動(dòng)詞的單數(shù)形式。

a quantity of 謂語單數(shù)還是復(fù)數(shù)

a quantity of+可數(shù)名詞復(fù)數(shù)、謂語動(dòng)詞用復(fù)數(shù);+不可數(shù)名詞、謂語動(dòng)詞用單數(shù).即修飾可數(shù)或不可數(shù)名詞均可,作主語時(shí)采取就近一致的原則,其謂語動(dòng)詞通常與短語中of后面的名詞的數(shù)保持一致.

a quantity of+可數(shù)名詞復(fù)數(shù)，作主語，謂語用復(fù)數(shù)

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

a quantity of+不可數(shù)名詞單數(shù)，作主語，謂語用單數(shù)

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

a quantity of的例句

There is a large quantity of fish in the boat.

船里有大量的魚肉。

Alarge quantity of books were printed.

印刷了大量的書。

Quantities of water were wasted in this town last year.

這個(gè)鎮(zhèn)去年浪費(fèi)了大量的水。

There were large quantities of shoppers just before Christmas.

就在圣誕節(jié)以前還有過許多購買東西的顧客。