The United States is a developed country.
10. 表数量one and a half + 复数名词作主语时,谓语用单数。
eg. One and a half oranges is left on the table.
B.谓语动词用复数情况:
1.用and或both and连接并列主语时
eg. --Fire and water do not agree. 水火不相容。
--Both he and I are going to America.
2.一些只有复数形式的名词作主语时
如: Clothes, trousers, glasses, shoes,等。
eg. My trousers are being washed.
但,如果成双的东西前有a pair of 来修饰时,谓语动词用单数。
3.表总称意义的名词 police, people, cattle 作主语。
4.以定冠词the + adj. (或分词形式的adj) 作主语时表一类人。
eg. The rich are not always happy.
5.A number of +复数名词。
6.more than + 数词+复数名词作主语时。
eg. More than two hundred people attended the concert.
但 more than one + 名词常用单数
More than one person is going to
C. 单、复数依情况而定
1. a lot of, lots of, plenty of, a large quantity of (quantities of), the test of, 分数,百分数+n 构成短语作主语时,就情况而定。
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