a. Many a student ______(have) won the prize.很多学生获了奖

b. More than one person ______(have) made the same mistake.不止一人犯了同样的错误。

7.every A and every B, each A and each B, no A and no B, many a A and many a B等词组作主语时, 谓语用单数

a. No man and woman _______(have) joined the party.

复数:

1. 集体名词people, cattle, police, youth等作主语时, 谓语动词常用复数

a. The police ______(be) looking for the thief.

b. Cattle _______(be) not allowed to graze here.

2. 表示群岛, 山脉, 瀑布的专有名词作主语时, 谓语动词通常用复数, 如:the Andes(安第斯山脉), the Alps(阿尔卑斯山脉), the West Indies(西印度群岛), the Niagara Falls(尼加拉大瀑布)

3.以-s或-es结尾, 由对称的两部分构成的物体作主语时, 谓语动词用复数. 这类物体如: trousers, glasses, jeans(牛仔裤), scissors(剪刀), shades(太阳镜)等. 但这些词若有pair等量词修饰时，则要与量词的数保持一致。

a. Here _______(be) a pair of glasses for you.

b. There ________(be) three pairs of jeans in the bag.

据意义判断单复数:

1.有些不定代词作主语时, 据意义确定谓语动词的单复数. 如 : all(人复数,物单数), some, any, more, most, half等

a. All _____(be) happy to hear the news.

b. All that _____(have) to be done has been done.

c. Most of the surface of the earth ______(be) covered by water.

d. Half of the wood ______(have) been carried away.