动词用复数。

　　[即时演练1]　用所给词的适当形式填空

　　①Land is (be) valuable. Not an inch of land is (be) allowed to waste.

　　②The children are (be) very fond of playing farm games.

　　③The police have (have) caught the criminal.

　　④The equipment of our factory is (be) all imported from Britain.

　　⑤Each means has (have) been tried to solve the problem, but none is effective.

　　⑥(安徽高考改编)Walmart, which is one of the largest American supermarket chains, keeps (keep) some of its stores open 24 hours on Mondays through Saturdays.

　　⑦His family is (be) poor and he used to work hard to support his family.

　　⑧My family are (be) going on a trip this summer.

　　二、数量概念词作主语

主语 谓语动词 表示单位数量，指时间、金钱、距离、长度、重量等的复数名词短语 单数 the rest/part (of)及分数、百分数等 根据所指代或修饰的名词而定 a number of＋可数名词复数 复数 the number of＋可数名词复数 单数 a quantity of/quantities of 根据quantity的形式而定 more than one/many a＋可数名词单数 单数